1 | function Terminal( element ) { |
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2 | this.element = element; |
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3 | this.connectors = []; |
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4 | } |
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5 | $.extend( Terminal.prototype, { |
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6 | connect: function ( connector ) { |
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7 | this.connectors.push( connector ); |
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8 | if ( this.node ) { |
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9 | this.node.changed(); |
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10 | } |
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11 | }, |
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12 | disconnect: function ( connector ) { |
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13 | this.connectors.splice( $.inArray( connector, this.connectors ), 1 ); |
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14 | if ( this.node ) { |
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15 | this.node.changed(); |
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16 | } |
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17 | }, |
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18 | redraw: function () { |
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19 | $.each( this.connectors, function( _, c ) { |
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20 | c.redraw(); |
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21 | }); |
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22 | }, |
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23 | destroy: function () { |
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24 | $.each( this.connectors.slice(), function( _, c ) { |
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25 | c.destroy(); |
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26 | }); |
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27 | } |
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28 | }); |
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29 | |
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30 | function OutputTerminal( element, datatypes ) { |
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31 | Terminal.call( this, element ); |
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32 | this.datatypes = datatypes; |
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33 | } |
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34 | |
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35 | OutputTerminal.prototype = new Terminal(); |
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36 | |
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37 | function InputTerminal( element, datatypes ) { |
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38 | Terminal.call( this, element ); |
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39 | this.datatypes = datatypes; |
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40 | } |
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41 | |
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42 | InputTerminal.prototype = new Terminal(); |
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43 | |
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44 | $.extend( InputTerminal.prototype, { |
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45 | can_accept: function ( other ) { |
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46 | if ( this.connectors.length < 1 ) { |
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47 | for ( var t in this.datatypes ) { |
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48 | var cat_outputs = new Array(); |
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49 | cat_outputs = cat_outputs.concat(other.datatypes); |
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50 | if (other.node.post_job_actions){ |
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51 | for (var pja_i in other.node.post_job_actions){ |
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52 | var pja = other.node.post_job_actions[pja_i]; |
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53 | if (pja.action_type == "ChangeDatatypeAction" && (pja.output_name == '' || pja.output_name == other.name) && pja.action_arguments){ |
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54 | cat_outputs.push(pja.action_arguments['newtype']); |
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55 | } |
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56 | } |
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57 | } |
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58 | // FIXME: No idea what to do about case when datatype is 'input' |
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59 | for ( var other_datatype_i in cat_outputs ) { |
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60 | if ( cat_outputs[other_datatype_i] == "input" || issubtype( cat_outputs[other_datatype_i], this.datatypes[t] ) ) { |
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61 | return true; |
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62 | } |
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63 | } |
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64 | } |
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65 | } |
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66 | return false; |
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67 | } |
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68 | }); |
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69 | |
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70 | function Connector( handle1, handle2 ) { |
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71 | this.canvas = null; |
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72 | this.dragging = false; |
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73 | this.inner_color = "#FFFFFF"; |
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74 | this.outer_color = "#D8B365"; |
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75 | if ( handle1 && handle2 ) { |
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76 | this.connect( handle1, handle2 ); |
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77 | } |
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78 | } |
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79 | $.extend( Connector.prototype, { |
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80 | connect: function ( t1, t2 ) { |
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81 | this.handle1 = t1; |
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82 | this.handle1.connect( this ); |
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83 | this.handle2 = t2; |
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84 | this.handle2.connect( this ); |
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85 | }, |
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86 | destroy : function () { |
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87 | if ( this.handle1 ) { |
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88 | this.handle1.disconnect( this ); |
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89 | } |
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90 | if ( this.handle2 ) { |
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91 | this.handle2.disconnect( this ); |
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92 | } |
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93 | $(this.canvas).remove(); |
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94 | }, |
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95 | redraw : function () { |
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96 | var canvas_container = $("#canvas-container"); |
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97 | if ( ! this.canvas ) { |
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98 | this.canvas = document.createElement( "canvas" ); |
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99 | // excanvas specific hack |
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100 | if ( window.G_vmlCanvasManager ) { |
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101 | G_vmlCanvasManager.initElement( this.canvas ); |
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102 | } |
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103 | canvas_container.append( $(this.canvas) ); |
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104 | if ( this.dragging ) { |
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105 | this.canvas.style.zIndex = "300"; |
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106 | } |
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107 | } |
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108 | var relativeLeft = function( e ) { |
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109 | return $(e).offset().left - canvas_container.offset().left; |
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110 | }; |
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111 | var relativeTop = function( e ) { |
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112 | return $(e).offset().top - canvas_container.offset().top; |
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113 | }; |
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114 | // Find the position of each handle |
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115 | var start_x = relativeLeft( this.handle1.element ) + 5; |
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116 | var start_y = relativeTop( this.handle1.element ) + 5; |
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117 | var end_x = relativeLeft( this.handle2.element ) + 5; |
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118 | var end_y = relativeTop( this.handle2.element ) + 5; |
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119 | // Calculate canvas area |
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120 | var canvas_extra = 100; |
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121 | var canvas_min_x = Math.min( start_x, end_x ); |
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122 | var canvas_max_x = Math.max( start_x, end_x ); |
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123 | var canvas_min_y = Math.min( start_y, end_y ); |
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124 | var canvas_max_y = Math.max( start_y, end_y ); |
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125 | var cp_shift = Math.min( Math.max( Math.abs( canvas_max_y - canvas_min_y ) / 2, 100 ), 300 ); |
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126 | var canvas_left = canvas_min_x - canvas_extra; |
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127 | var canvas_top = canvas_min_y - canvas_extra; |
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128 | var canvas_width = canvas_max_x - canvas_min_x + 2 * canvas_extra; |
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129 | var canvas_height = canvas_max_y - canvas_min_y + 2 * canvas_extra; |
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130 | // Place the canvas |
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131 | this.canvas.style.left = canvas_left + "px"; |
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132 | this.canvas.style.top = canvas_top + "px"; |
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133 | this.canvas.setAttribute( "width", canvas_width ); |
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134 | this.canvas.setAttribute( "height", canvas_height ); |
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135 | // Adjust points to be relative to the canvas |
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136 | start_x -= canvas_left; |
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137 | start_y -= canvas_top; |
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138 | end_x -= canvas_left; |
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139 | end_y -= canvas_top; |
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140 | // Draw the line |
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141 | var c = this.canvas.getContext("2d"); |
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142 | c.lineCap = "round"; |
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143 | c.strokeStyle = this.outer_color; |
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144 | c.lineWidth = 7; |
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145 | c.beginPath(); |
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146 | c.moveTo( start_x, start_y ); |
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147 | c.bezierCurveTo( start_x + cp_shift, start_y, end_x - cp_shift, end_y, end_x, end_y ); |
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148 | c.stroke(); |
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149 | // Inner line |
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150 | c.strokeStyle = this.inner_color; |
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151 | c.lineWidth = 5; |
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152 | c.beginPath(); |
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153 | c.moveTo( start_x, start_y ); |
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154 | c.bezierCurveTo( start_x + cp_shift, start_y, end_x - cp_shift, end_y, end_x, end_y ); |
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155 | c.stroke(); |
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156 | } |
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157 | } ); |
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158 | |
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159 | function Node( element ) { |
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160 | this.element = element; |
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161 | this.input_terminals = {}; |
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162 | this.output_terminals = {}; |
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163 | this.tool_errors = {}; |
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164 | } |
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165 | $.extend( Node.prototype, { |
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166 | enable_input_terminal : function( elements, name, types ) { |
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167 | var node = this; |
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168 | $(elements).each( function() { |
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169 | var terminal = this.terminal = new InputTerminal( this, types ); |
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170 | terminal.node = node; |
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171 | terminal.name = name; |
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172 | $(this).bind( "dropstart", function( e ) { |
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173 | e.dragProxy.terminal.connectors[0].inner_color = "#BBFFBB"; |
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174 | }).bind( "dropend", function ( e ) { |
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175 | e.dragProxy.terminal.connectors[0].inner_color = "#FFFFFF"; |
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176 | }).bind( "drop", function( e ) { |
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177 | ( new Connector( e.dragTarget.terminal, e.dropTarget.terminal ) ).redraw(); |
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178 | }).bind( "hover", function() { |
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179 | // If connected, create a popup to allow disconnection |
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180 | if ( terminal.connectors.length > 0 ) { |
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181 | // Create callout |
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182 | var t = $("<div class='callout'></div>") |
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183 | .css( { display: 'none' } ) |
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184 | .appendTo( "body" ) |
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185 | .append( |
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186 | $("<div class='buttons'></div>").append( |
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187 | $("<img/>").attr("src", image_path + '/delete_icon.png').click( function() { |
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188 | $.each( terminal.connectors, function( _, x ) { |
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189 | x.destroy(); |
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190 | }); |
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191 | t.remove(); |
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192 | }))) |
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193 | .bind( "mouseleave", function() { |
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194 | $(this).remove(); |
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195 | }); |
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196 | // Position it and show |
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197 | t.css({ |
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198 | top: $(this).offset().top - 2, |
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199 | left: $(this).offset().left - t.width(), |
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200 | 'padding-right': $(this).width() |
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201 | }).show(); |
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202 | } |
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203 | }); |
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204 | node.input_terminals[name] = terminal; |
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205 | }); |
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206 | }, |
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207 | enable_output_terminal : function( elements, name, type ) { |
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208 | var node = this; |
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209 | $(elements).each( function() { |
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210 | var terminal_element = this; |
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211 | var terminal = this.terminal = new OutputTerminal( this, type ); |
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212 | terminal.node = node; |
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213 | terminal.name = name; |
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214 | $(this).bind( "dragstart", function( e ) { |
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215 | workflow.check_changes_in_active_form(); //To save PJAs in the case of change datatype actions. |
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216 | var h = $( '<div class="drag-terminal" style="position: absolute;"></div>' ).appendTo( "#canvas-container" ).get(0); |
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217 | h.terminal = new OutputTerminal( h ); |
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218 | var c = new Connector(); |
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219 | c.dragging = true; |
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220 | c.connect( this.terminal, h.terminal ); |
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221 | $.dropManage({ |
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222 | filter: function( e ) { |
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223 | return this.terminal.can_accept( terminal ); |
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224 | } |
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225 | }).addClass( "input-terminal-active" ); |
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226 | return h; |
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227 | }).bind( "drag", function ( e ) { |
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228 | var onmove = function() { |
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229 | var po = $(e.dragProxy).offsetParent().offset(), |
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230 | x = e.offsetX - po.left, |
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231 | y = e.offsetY - po.top; |
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232 | $(e.dragProxy).css( { left: x, top: y } ); |
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233 | e.dragProxy.terminal.redraw(); |
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234 | // FIXME: global |
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235 | canvas_manager.update_viewport_overlay(); |
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236 | }; |
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237 | onmove(); |
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238 | $("#canvas-container").get(0).scroll_panel.test( e, onmove ); |
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239 | }).bind( "dragend", function ( e ) { |
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240 | e.dragProxy.terminal.connectors[0].destroy(); |
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241 | $(e.dragProxy).remove(); |
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242 | $.dropManage().removeClass( "input-terminal-active" ); |
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243 | $("#canvas-container").get(0).scroll_panel.stop(); |
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244 | }); |
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245 | node.output_terminals[name] = terminal; |
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246 | }); |
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247 | }, |
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248 | redraw : function () { |
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249 | $.each( this.input_terminals, function( _, t ) { |
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250 | t.redraw(); |
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251 | }); |
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252 | $.each( this.output_terminals, function( _, t ) { |
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253 | t.redraw(); |
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254 | }); |
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255 | }, |
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256 | destroy : function () { |
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257 | $.each( this.input_terminals, function( k, t ) { |
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258 | t.destroy(); |
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259 | }); |
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260 | $.each( this.output_terminals, function( k, t ) { |
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261 | t.destroy(); |
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262 | }); |
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263 | workflow.remove_node( this ); |
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264 | $(this.element).remove(); |
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265 | }, |
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266 | make_active : function () { |
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267 | $(this.element).addClass( "toolForm-active" ); |
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268 | }, |
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269 | make_inactive : function () { |
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270 | // Keep inactive nodes stacked from most to least recently active |
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271 | // by moving element to the end of parent's node list |
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272 | var element = this.element.get(0); |
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273 | (function(p) { p.removeChild( element ); p.appendChild( element ); })(element.parentNode); |
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274 | // Remove active class |
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275 | $(element).removeClass( "toolForm-active" ); |
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276 | }, |
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277 | init_field_data : function ( data ) { |
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278 | var f = this.element; |
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279 | if ( data.type ) { |
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280 | this.type = data.type; |
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281 | } |
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282 | this.name = data.name; |
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283 | this.form_html = data.form_html; |
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284 | this.tool_state = data.tool_state; |
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285 | this.tool_errors = data.tool_errors; |
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286 | this.tooltip = data.tooltip ? data.tooltip : "" |
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287 | this.annotation = data.annotation; |
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288 | this.post_job_actions = data.post_job_actions; |
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289 | if (data.workflow_outputs){ |
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290 | this.workflow_outputs = data.workflow_outputs; |
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291 | }else{ |
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292 | this.workflow_outputs = []; |
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293 | } |
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294 | |
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295 | |
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296 | if ( this.tool_errors ) { |
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297 | f.addClass( "tool-node-error" ); |
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298 | } else { |
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299 | f.removeClass( "tool-node-error" ); |
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300 | } |
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301 | var node = this; |
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302 | var output_width = Math.max(150, f.width()); |
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303 | var b = f.find( ".toolFormBody" ); |
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304 | b.find( "div" ).remove(); |
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305 | var ibox = $("<div class='inputs'></div>").appendTo( b ); |
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306 | $.each( data.data_inputs, function( i, input ) { |
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307 | var t = $("<div class='terminal input-terminal'></div>"); |
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308 | node.enable_input_terminal( t, input.name, input.extensions ); |
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309 | var ib = $("<div class='form-row dataRow input-data-row' name='" + input.name + "'>" + input.label + "</div>" ); |
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310 | ib.css({ position:'absolute', |
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311 | left: -1000, |
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312 | top: -1000, |
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313 | display:'none'}); |
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314 | $('body').append(ib); |
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315 | output_width = Math.max(output_width, ib.outerWidth()); |
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316 | ib.css({ position:'', |
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317 | left:'', |
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318 | top:'', |
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319 | display:'' }); |
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320 | $('body').remove(ib); |
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321 | ibox.append( ib.prepend( t ) ); |
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322 | }); |
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323 | if ( ( data.data_inputs.length > 0 ) && ( data.data_outputs.length > 0 ) ) { |
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324 | b.append( $( "<div class='rule'></div>" ) ); |
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325 | } |
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326 | $.each( data.data_outputs, function( i, output ) { |
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327 | var t = $( "<div class='terminal output-terminal'></div>" ); |
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328 | node.enable_output_terminal( t, output.name, output.extensions ); |
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329 | var label = output.name; |
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330 | if ( output.extensions.indexOf( 'input' ) < 0 ) { |
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331 | label = label + " (" + output.extensions.join(", ") + ")"; |
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332 | } |
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333 | var r = $("<div class='form-row dataRow'>" + label + "</div>" ); |
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334 | if (node.type == 'tool'){ |
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335 | var callout = $("<div class='callout'></div>") |
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336 | .css( { display: 'none' } ) |
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337 | .append( |
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338 | $("<div class='buttons'></div>").append( |
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339 | $("<img/>").attr('src', image_path + '/fugue/asterisk-small-outline.png').click( function() { |
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340 | if ($.inArray(output.name, node.workflow_outputs) != -1){ |
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341 | node.workflow_outputs.splice($.inArray(output.name, node.workflow_outputs), 1); |
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342 | callout.find('img').attr('src', image_path + '/fugue/asterisk-small-outline.png'); |
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343 | }else{ |
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344 | node.workflow_outputs.push(output.name); |
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345 | callout.find('img').attr('src', image_path + '/fugue/asterisk-small.png'); |
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346 | } |
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347 | workflow.has_changes = true; |
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348 | canvas_manager.draw_overview(); |
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349 | }))) |
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350 | .tipsy({delayIn:500, fallback: "Flag this as a workflow output. All non-flagged outputs will be hidden." }); |
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351 | callout.css({ |
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352 | top: '50%', |
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353 | margin:'-8px 0px 0px 0px', |
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354 | right: 8 |
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355 | }); |
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356 | callout.show(); |
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357 | r.append(callout); |
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358 | if ($.inArray(output.name, node.workflow_outputs) == -1){ |
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359 | callout.find('img').attr('src', image_path + '/fugue/asterisk-small-outline.png'); |
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360 | }else{ |
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361 | callout.find('img').attr('src', image_path + '/fugue/asterisk-small.png'); |
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362 | } |
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363 | r.bind( "hover", function() { |
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364 | callout.find('img').attr('src', image_path + '/fugue/asterisk-small-yellow.png'); |
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365 | }); |
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366 | r.bind( "mouseleave", function() { |
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367 | callout.find('img').attr('src', image_path + '/fugue/asterisk-small.png'); |
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368 | if ($.inArray(output.name, node.workflow_outputs) == -1){ |
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369 | callout.find('img').attr('src', image_path + '/fugue/asterisk-small-outline.png'); |
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370 | }else{ |
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371 | callout.find('img').attr('src', image_path + '/fugue/asterisk-small.png'); |
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372 | } |
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373 | }); |
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374 | } |
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375 | r.css({ position:'absolute', |
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376 | left: -1000, |
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377 | top: -1000, |
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378 | display:'none'}); |
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379 | $('body').append(r); |
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380 | output_width = Math.max(output_width, r.outerWidth() + 17); |
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381 | r.css({ position:'', |
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382 | left:'', |
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383 | top:'', |
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384 | display:'' }); |
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385 | $('body').remove(r); |
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386 | b.append( r.append( t ) ); |
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387 | }); |
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388 | f.css( "width", Math.min(250, Math.max(f.width(), output_width ))); |
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389 | workflow.node_changed( this ); |
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390 | }, |
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391 | update_field_data : function( data ) { |
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392 | var el = $(this.element), |
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393 | node = this; |
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394 | this.tool_state = data.tool_state; |
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395 | this.form_html = data.form_html; |
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396 | this.tool_errors = data.tool_errors; |
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397 | this.annotation = data['annotation']; |
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398 | this.post_job_actions = $.parseJSON(data.post_job_actions); |
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399 | if ( this.tool_errors ) { |
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400 | el.addClass( "tool-node-error" ); |
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401 | } else { |
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402 | el.removeClass( "tool-node-error" ); |
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403 | } |
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404 | // Update input rows |
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405 | var old_body = el.find( "div.inputs" ); |
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406 | var new_body = $("<div class='inputs'></div>"); |
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407 | var old = old_body.find( "div.input-data-row"); |
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408 | $.each( data.data_inputs, function( i, input ) { |
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409 | var t = $("<div class='terminal input-terminal'></div>"); |
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410 | node.enable_input_terminal( t, input.name, input.extensions ); |
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411 | // If already connected save old connection |
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412 | old_body.find( "div[name=" + input.name + "]" ).each( function() { |
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413 | $(this).find( ".input-terminal" ).each( function() { |
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414 | var c = this.terminal.connectors[0]; |
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415 | if ( c ) { |
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416 | t[0].terminal.connectors[0] = c; |
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417 | c.handle2 = t[0].terminal; |
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418 | } |
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419 | }); |
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420 | $(this).remove(); |
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421 | }); |
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422 | // Append to new body |
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423 | new_body.append( $("<div class='form-row dataRow input-data-row' name='" + input.name + "'>" + input.label + "</div>" ).prepend( t ) ); |
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424 | }); |
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425 | old_body.replaceWith( new_body ); |
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426 | // Cleanup any leftover terminals |
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427 | old_body.find( "div.input-data-row > .terminal" ).each( function() { |
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428 | this.terminal.destroy(); |
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429 | }); |
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430 | // If active, reactivate with new form_html |
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431 | this.changed(); |
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432 | this.redraw(); |
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433 | }, |
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434 | error : function ( text ) { |
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435 | var b = $(this.element).find( ".toolFormBody" ); |
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436 | b.find( "div" ).remove(); |
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437 | var tmp = "<div style='color: red; text-style: italic;'>" + text + "</div>"; |
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438 | this.form_html = tmp; |
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439 | b.html( tmp ); |
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440 | workflow.node_changed( this ); |
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441 | }, |
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442 | changed: function() { |
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443 | workflow.node_changed( this ); |
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444 | } |
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445 | } ); |
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446 | |
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447 | function Workflow( canvas_container ) { |
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448 | this.canvas_container = canvas_container; |
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449 | this.id_counter = 0; |
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450 | this.nodes = {}; |
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451 | this.name = null; |
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452 | this.has_changes = false; |
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453 | this.active_form_has_changes = false; |
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454 | } |
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455 | $.extend( Workflow.prototype, { |
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456 | add_node : function( node ) { |
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457 | node.id = this.id_counter; |
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458 | node.element.attr( 'id', 'wf-node-step-' + node.id ); |
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459 | this.id_counter++; |
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460 | this.nodes[ node.id ] = node; |
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461 | this.has_changes = true; |
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462 | node.workflow = this; |
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463 | }, |
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464 | remove_node : function( node ) { |
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465 | if ( this.active_node == node ) { |
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466 | this.clear_active_node(); |
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467 | } |
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468 | delete this.nodes[ node.id ] ; |
---|
469 | this.has_changes = true; |
---|
470 | }, |
---|
471 | remove_all : function() { |
---|
472 | wf = this; |
---|
473 | $.each( this.nodes, function ( k, v ) { |
---|
474 | v.destroy(); |
---|
475 | wf.remove_node( v ); |
---|
476 | }); |
---|
477 | }, |
---|
478 | to_simple : function () { |
---|
479 | var nodes = {}; |
---|
480 | $.each( this.nodes, function ( i, node ) { |
---|
481 | var input_connections = {}; |
---|
482 | $.each( node.input_terminals, function ( k, t ) { |
---|
483 | input_connections[ t.name ] = null; |
---|
484 | // There should only be 0 or 1 connectors, so this is |
---|
485 | // really a sneaky if statement |
---|
486 | $.each( t.connectors, function ( i, c ) { |
---|
487 | input_connections[ t.name ] = { id: c.handle1.node.id, output_name: c.handle1.name }; |
---|
488 | }); |
---|
489 | }); |
---|
490 | var post_job_actions = {}; |
---|
491 | if (node.post_job_actions){ |
---|
492 | $.each( node.post_job_actions, function ( i, act ) { |
---|
493 | var pja = { |
---|
494 | job_id : act.id, |
---|
495 | action_type : act.action_type, |
---|
496 | output_name : act.output_name, |
---|
497 | action_arguments : act.action_arguments |
---|
498 | } |
---|
499 | post_job_actions[ act.action_type + act.output_name ] = null; |
---|
500 | post_job_actions[ act.action_type + act.output_name ] = pja; |
---|
501 | }); |
---|
502 | } |
---|
503 | if (!node.workflow_outputs){ |
---|
504 | node.workflow_outputs = []; |
---|
505 | // Just in case. |
---|
506 | } |
---|
507 | var node_data = { |
---|
508 | id : node.id, |
---|
509 | type : node.type, |
---|
510 | tool_id : node.tool_id, |
---|
511 | tool_state : node.tool_state, |
---|
512 | tool_errors : node.tool_errors, |
---|
513 | input_connections : input_connections, |
---|
514 | position : $(node.element).position(), |
---|
515 | annotation: node.annotation, |
---|
516 | post_job_actions: node.post_job_actions, |
---|
517 | workflow_outputs: node.workflow_outputs |
---|
518 | }; |
---|
519 | nodes[ node.id ] = node_data; |
---|
520 | }); |
---|
521 | return { steps: nodes }; |
---|
522 | }, |
---|
523 | from_simple : function ( data ) { |
---|
524 | wf = this; |
---|
525 | var max_id = 0; |
---|
526 | wf.name = data.name; |
---|
527 | // First pass, nodes |
---|
528 | $.each( data.steps, function( id, step ) { |
---|
529 | var node = prebuild_node( "tool", step.name, step.tool_id ); |
---|
530 | node.init_field_data( step ); |
---|
531 | if ( step.position ) { |
---|
532 | node.element.css( { top: step.position.top, left: step.position.left } ); |
---|
533 | } |
---|
534 | node.id = step.id; |
---|
535 | wf.nodes[ node.id ] = node; |
---|
536 | max_id = Math.max( max_id, parseInt( id ) ); |
---|
537 | }); |
---|
538 | wf.id_counter = max_id + 1; |
---|
539 | // Second pass, connections |
---|
540 | $.each( data.steps, function( id, step ) { |
---|
541 | var node = wf.nodes[id]; |
---|
542 | $.each( step.input_connections, function( k, v ) { |
---|
543 | if ( v ) { |
---|
544 | var other_node = wf.nodes[ v.id ]; |
---|
545 | var c = new Connector(); |
---|
546 | c.connect( other_node.output_terminals[ v.output_name ], |
---|
547 | node.input_terminals[ k ] ); |
---|
548 | c.redraw(); |
---|
549 | } |
---|
550 | }); |
---|
551 | }); |
---|
552 | }, |
---|
553 | check_changes_in_active_form : function() { |
---|
554 | // If active form has changed, save it |
---|
555 | if (this.active_form_has_changes) { |
---|
556 | this.has_changes = true; |
---|
557 | // Submit form. |
---|
558 | $("#right-content").find("form").submit(); |
---|
559 | this.active_form_has_changes = false; |
---|
560 | } |
---|
561 | }, |
---|
562 | clear_active_node : function() { |
---|
563 | if ( this.active_node ) { |
---|
564 | this.active_node.make_inactive(); |
---|
565 | this.active_node = null; |
---|
566 | } |
---|
567 | parent.show_form_for_tool( "<div>No node selected</div>" ); |
---|
568 | }, |
---|
569 | activate_node : function( node ) { |
---|
570 | if ( this.active_node != node ) { |
---|
571 | this.check_changes_in_active_form(); |
---|
572 | this.clear_active_node(); |
---|
573 | parent.show_form_for_tool( node.form_html + node.tooltip, node ); |
---|
574 | node.make_active(); |
---|
575 | this.active_node = node; |
---|
576 | } |
---|
577 | }, |
---|
578 | node_changed : function ( node ) { |
---|
579 | this.has_changes = true; |
---|
580 | if ( this.active_node == node ) { |
---|
581 | // Reactive with new form_html |
---|
582 | this.check_changes_in_active_form(); //Force changes to be saved even on new connection (previously dumped) |
---|
583 | parent.show_form_for_tool( node.form_html + node.tooltip, node ); |
---|
584 | } |
---|
585 | }, |
---|
586 | layout : function () { |
---|
587 | this.check_changes_in_active_form(); |
---|
588 | this.has_changes = true; |
---|
589 | // Prepare predecessor / successor tracking |
---|
590 | var n_pred = {}; |
---|
591 | var successors = {}; |
---|
592 | // First pass to initialize arrays even for nodes with no connections |
---|
593 | $.each( this.nodes, function( id, node ) { |
---|
594 | if ( n_pred[id] === undefined ) { n_pred[id] = 0; } |
---|
595 | if ( successors[id] === undefined ) { successors[id] = []; } |
---|
596 | }); |
---|
597 | // Second pass to count predecessors and successors |
---|
598 | $.each( this.nodes, function( id, node ) { |
---|
599 | $.each( node.input_terminals, function ( j, t ) { |
---|
600 | $.each( t.connectors, function ( k, c ) { |
---|
601 | // A connection exists from `other` to `node` |
---|
602 | var other = c.handle1.node; |
---|
603 | // node gains a predecessor |
---|
604 | n_pred[node.id] += 1; |
---|
605 | // other gains a successor |
---|
606 | successors[other.id].push( node.id ); |
---|
607 | }); |
---|
608 | }); |
---|
609 | }); |
---|
610 | // Assemble order, tracking levels |
---|
611 | node_ids_by_level = []; |
---|
612 | while ( true ) { |
---|
613 | // Everything without a predecessor |
---|
614 | level_parents = []; |
---|
615 | for ( var pred_k in n_pred ) { |
---|
616 | if ( n_pred[ pred_k ] == 0 ) { |
---|
617 | level_parents.push( pred_k ); |
---|
618 | } |
---|
619 | } |
---|
620 | if ( level_parents.length == 0 ) { |
---|
621 | break; |
---|
622 | } |
---|
623 | node_ids_by_level.push( level_parents ); |
---|
624 | // Remove the parents from this level, and decrement the number |
---|
625 | // of predecessors for each successor |
---|
626 | for ( var k in level_parents ) { |
---|
627 | var v = level_parents[k]; |
---|
628 | delete n_pred[v]; |
---|
629 | for ( var sk in successors[v] ) { |
---|
630 | n_pred[ successors[v][sk] ] -= 1; |
---|
631 | } |
---|
632 | } |
---|
633 | } |
---|
634 | if ( n_pred.length ) { |
---|
635 | // ERROR: CYCLE! Currently we do nothing |
---|
636 | return; |
---|
637 | } |
---|
638 | // Layout each level |
---|
639 | var all_nodes = this.nodes; |
---|
640 | var h_pad = 80; v_pad = 30; |
---|
641 | var left = h_pad; |
---|
642 | $.each( node_ids_by_level, function( i, ids ) { |
---|
643 | // We keep nodes in the same order in a level to give the user |
---|
644 | // some control over ordering |
---|
645 | ids.sort( function( a, b ) { |
---|
646 | return $(all_nodes[a].element).position().top - $(all_nodes[b].element).position().top; |
---|
647 | }); |
---|
648 | // Position each node |
---|
649 | var max_width = 0; |
---|
650 | var top = v_pad; |
---|
651 | $.each( ids, function( j, id ) { |
---|
652 | var node = all_nodes[id]; |
---|
653 | var element = $(node.element); |
---|
654 | $(element).css( { top: top, left: left } ); |
---|
655 | max_width = Math.max( max_width, $(element).width() ); |
---|
656 | top += $(element).height() + v_pad; |
---|
657 | }); |
---|
658 | left += max_width + h_pad; |
---|
659 | }); |
---|
660 | // Need to redraw all connectors |
---|
661 | $.each( all_nodes, function( _, node ) { node.redraw(); } ); |
---|
662 | }, |
---|
663 | bounds_for_all_nodes: function() { |
---|
664 | var xmin = Infinity, xmax = -Infinity, |
---|
665 | ymin = Infinity, ymax = -Infinity, |
---|
666 | p; |
---|
667 | $.each( this.nodes, function( id, node ) { |
---|
668 | e = $(node.element); |
---|
669 | p = e.position(); |
---|
670 | xmin = Math.min( xmin, p.left ); |
---|
671 | xmax = Math.max( xmax, p.left + e.width() ); |
---|
672 | ymin = Math.min( ymin, p.top ); |
---|
673 | ymax = Math.max( ymax, p.top + e.width() ); |
---|
674 | }); |
---|
675 | return { xmin: xmin, xmax: xmax, ymin: ymin, ymax: ymax }; |
---|
676 | }, |
---|
677 | fit_canvas_to_nodes: function() { |
---|
678 | // Span of all elements |
---|
679 | var bounds = this.bounds_for_all_nodes(); |
---|
680 | var position = this.canvas_container.position(); |
---|
681 | var parent = this.canvas_container.parent(); |
---|
682 | // Determine amount we need to expand on top/left |
---|
683 | var xmin_delta = fix_delta( bounds.xmin, 100 ); |
---|
684 | var ymin_delta = fix_delta( bounds.ymin, 100 ); |
---|
685 | // May need to expand farther to fill viewport |
---|
686 | xmin_delta = Math.max( xmin_delta, position.left ); |
---|
687 | ymin_delta = Math.max( ymin_delta, position.top ); |
---|
688 | var left = position.left - xmin_delta; |
---|
689 | var top = position.top - ymin_delta; |
---|
690 | // Same for width/height |
---|
691 | var width = round_up( bounds.xmax + 100, 100 ) + xmin_delta; |
---|
692 | var height = round_up( bounds.ymax + 100, 100 ) + ymin_delta; |
---|
693 | width = Math.max( width, - left + parent.width() ); |
---|
694 | height = Math.max( height, - top + parent.height() ); |
---|
695 | // Grow the canvas container |
---|
696 | this.canvas_container.css( { |
---|
697 | left: left, |
---|
698 | top: top, |
---|
699 | width: width, |
---|
700 | height: height |
---|
701 | }); |
---|
702 | // Move elements back if needed |
---|
703 | this.canvas_container.children().each( function() { |
---|
704 | var p = $(this).position(); |
---|
705 | $(this).css( "left", p.left + xmin_delta ); |
---|
706 | $(this).css( "top", p.top + ymin_delta ); |
---|
707 | }); |
---|
708 | } |
---|
709 | }); |
---|
710 | |
---|
711 | function fix_delta( x, n ) { |
---|
712 | if ( x < n|| x > 3*n ) { |
---|
713 | new_pos = ( Math.ceil( ( ( x % n ) ) / n ) + 1 ) * n; |
---|
714 | return ( - ( x - new_pos ) ); |
---|
715 | } |
---|
716 | return 0; |
---|
717 | } |
---|
718 | |
---|
719 | function round_up( x, n ) { |
---|
720 | return Math.ceil( x / n ) * n; |
---|
721 | } |
---|
722 | |
---|
723 | function prebuild_node( type, title_text, tool_id ) { |
---|
724 | var f = $("<div class='toolForm toolFormInCanvas'></div>"); |
---|
725 | var node = new Node( f ); |
---|
726 | node.type = type; |
---|
727 | if ( type == 'tool' ) { |
---|
728 | node.tool_id = tool_id; |
---|
729 | } |
---|
730 | var title = $("<div class='toolFormTitle unselectable'>" + title_text + "</div>" ); |
---|
731 | f.append( title ); |
---|
732 | f.css( "left", $(window).scrollLeft() + 20 ); f.css( "top", $(window).scrollTop() + 20 ); |
---|
733 | var b = $("<div class='toolFormBody'></div>"); |
---|
734 | var tmp = "<div><img height='16' align='middle' src='" +image_path+ "/loading_small_white_bg.gif'/> loading tool info...</div>"; |
---|
735 | b.append( tmp ); |
---|
736 | node.form_html = tmp; |
---|
737 | f.append( b ); |
---|
738 | // Fix width to computed width |
---|
739 | // Now add floats |
---|
740 | var buttons = $("<div class='buttons' style='float: right;'></div>"); |
---|
741 | buttons.append( $("<img/>").attr("src", image_path + '/delete_icon.png').click( function( e ) { |
---|
742 | node.destroy(); |
---|
743 | } ).hover( |
---|
744 | function() { $(this).attr( "src", image_path + "/delete_icon_dark.png" ); }, |
---|
745 | function() { $(this).attr( "src", image_path + "/delete_icon.png" ); } |
---|
746 | ) ); |
---|
747 | // Place inside container |
---|
748 | f.appendTo( "#canvas-container" ); |
---|
749 | // Position in container |
---|
750 | var o = $("#canvas-container").position(); |
---|
751 | var p = $("#canvas-container").parent(); |
---|
752 | var width = f.width(); |
---|
753 | var height = f.height(); |
---|
754 | f.css( { left: ( - o.left ) + ( p.width() / 2 ) - ( width / 2 ), top: ( - o.top ) + ( p.height() / 2 ) - ( height / 2 ) } ); |
---|
755 | buttons.prependTo( title ); |
---|
756 | width += ( buttons.width() + 10 ); |
---|
757 | f.css( "width", width ); |
---|
758 | $(f).bind( "dragstart", function() { |
---|
759 | workflow.activate_node( node ); |
---|
760 | }).bind( "dragend", function() { |
---|
761 | workflow.node_changed( this ); |
---|
762 | workflow.fit_canvas_to_nodes(); |
---|
763 | canvas_manager.draw_overview(); |
---|
764 | }).bind( "dragclickonly", function() { |
---|
765 | workflow.activate_node( node ); |
---|
766 | }).bind( "drag", function( e ) { |
---|
767 | // Move |
---|
768 | var po = $(this).offsetParent().offset(), |
---|
769 | x = e.offsetX - po.left, |
---|
770 | y = e.offsetY - po.top; |
---|
771 | $(this).css( { left: x, top: y } ); |
---|
772 | // Redraw |
---|
773 | $(this).find( ".terminal" ).each( function() { |
---|
774 | this.terminal.redraw(); |
---|
775 | }); |
---|
776 | }); |
---|
777 | return node; |
---|
778 | } |
---|
779 | |
---|
780 | |
---|
781 | var ext_to_type = null; |
---|
782 | var type_to_type = null; |
---|
783 | |
---|
784 | function issubtype( child, parent ) { |
---|
785 | child = ext_to_type[child]; |
---|
786 | parent = ext_to_type[parent]; |
---|
787 | return ( type_to_type[child] ) && ( parent in type_to_type[child] ); |
---|
788 | } |
---|
789 | |
---|
790 | function populate_datatype_info( data ) { |
---|
791 | ext_to_type = data.ext_to_class_name; |
---|
792 | type_to_type = data.class_to_classes; |
---|
793 | } |
---|
794 | |
---|
795 | // FIXME: merge scroll panel into CanvasManager, clean up hardcoded stuff. |
---|
796 | |
---|
797 | function ScrollPanel( panel ) { |
---|
798 | this.panel = panel; |
---|
799 | } |
---|
800 | $.extend( ScrollPanel.prototype, { |
---|
801 | test: function( e, onmove ) { |
---|
802 | clearTimeout( this.timeout ); |
---|
803 | var x = e.pageX, |
---|
804 | y = e.pageY, |
---|
805 | // Panel size and position |
---|
806 | panel = $(this.panel), |
---|
807 | panel_pos = panel.position(), |
---|
808 | panel_w = panel.width(), |
---|
809 | panel_h = panel.height(), |
---|
810 | // Viewport size and offset |
---|
811 | viewport = panel.parent(), |
---|
812 | viewport_w = viewport.width(), |
---|
813 | viewport_h = viewport.height(), |
---|
814 | viewport_offset = viewport.offset(), |
---|
815 | // Edges of viewport (in page coordinates) |
---|
816 | min_x = viewport_offset.left, |
---|
817 | min_y = viewport_offset.top, |
---|
818 | max_x = min_x + viewport.width(), |
---|
819 | max_y = min_y + viewport.height(), |
---|
820 | // Legal panel range |
---|
821 | p_min_x = - ( panel_w - ( viewport_w / 2 ) ), |
---|
822 | p_min_y = - ( panel_h - ( viewport_h / 2 )), |
---|
823 | p_max_x = ( viewport_w / 2 ), |
---|
824 | p_max_y = ( viewport_h / 2 ), |
---|
825 | // Did the panel move? |
---|
826 | moved = false, |
---|
827 | // Constants |
---|
828 | close_dist = 5, |
---|
829 | nudge = 23; |
---|
830 | if ( x - close_dist < min_x ) { |
---|
831 | if ( panel_pos.left < p_max_x ) { |
---|
832 | var t = Math.min( nudge, p_max_x - panel_pos.left ); |
---|
833 | panel.css( "left", panel_pos.left + t ); |
---|
834 | moved = true; |
---|
835 | } |
---|
836 | } else if ( x + close_dist > max_x ) { |
---|
837 | if ( panel_pos.left > p_min_x ) { |
---|
838 | var t = Math.min( nudge, panel_pos.left - p_min_x ); |
---|
839 | panel.css( "left", panel_pos.left - t ); |
---|
840 | moved = true; |
---|
841 | } |
---|
842 | } else if ( y - close_dist < min_y ) { |
---|
843 | if ( panel_pos.top < p_max_y ) { |
---|
844 | var t = Math.min( nudge, p_max_y - panel_pos.top ); |
---|
845 | panel.css( "top", panel_pos.top + t ); |
---|
846 | moved = true; |
---|
847 | } |
---|
848 | } else if ( y + close_dist > max_y ) { |
---|
849 | if ( panel_pos.top > p_min_y ) { |
---|
850 | var t = Math.min( nudge, panel_pos.top - p_min_x ); |
---|
851 | panel.css( "top", ( panel_pos.top - t ) + "px" ); |
---|
852 | moved = true; |
---|
853 | } |
---|
854 | } |
---|
855 | if ( moved ) { |
---|
856 | // Keep moving even if mouse doesn't move |
---|
857 | onmove(); |
---|
858 | var panel = this; |
---|
859 | this.timeout = setTimeout( function() { panel.test( e, onmove ); }, 50 ); |
---|
860 | } |
---|
861 | }, |
---|
862 | stop: function( e, ui ) { |
---|
863 | clearTimeout( this.timeout ); |
---|
864 | } |
---|
865 | }); |
---|
866 | |
---|
867 | function CanvasManager( canvas_viewport, overview ) { |
---|
868 | this.cv = canvas_viewport; |
---|
869 | this.cc = this.cv.find( "#canvas-container" ); |
---|
870 | this.oc = overview.find( "#overview-canvas" ); |
---|
871 | this.ov = overview.find( "#overview-viewport" ); |
---|
872 | // Make overview box draggable |
---|
873 | this.init_drag(); |
---|
874 | } |
---|
875 | $.extend( CanvasManager.prototype, { |
---|
876 | init_drag : function () { |
---|
877 | var self = this; |
---|
878 | var move = function( x, y ) { |
---|
879 | x = Math.min( x, self.cv.width() / 2 ); |
---|
880 | x = Math.max( x, - self.cc.width() + self.cv.width() / 2 ); |
---|
881 | y = Math.min( y, self.cv.height() / 2 ); |
---|
882 | y = Math.max( y, - self.cc.height() + self.cv.height() / 2 ); |
---|
883 | self.cc.css( { |
---|
884 | left: x, |
---|
885 | top: y |
---|
886 | }); |
---|
887 | self.update_viewport_overlay(); |
---|
888 | }; |
---|
889 | // Dragging within canvas background |
---|
890 | this.cc.each( function() { |
---|
891 | this.scroll_panel = new ScrollPanel( this ); |
---|
892 | }); |
---|
893 | var x_adjust, y_adjust; |
---|
894 | this.cv.bind( "dragstart", function( e ) { |
---|
895 | var o = $(this).offset(); |
---|
896 | var p = self.cc.position(); |
---|
897 | y_adjust = p.top - o.top; |
---|
898 | x_adjust = p.left - o.left; |
---|
899 | }).bind( "drag", function( e ) { |
---|
900 | move( e.offsetX + x_adjust, e.offsetY + y_adjust ); |
---|
901 | }).bind( "dragend", function() { |
---|
902 | workflow.fit_canvas_to_nodes(); |
---|
903 | self.draw_overview(); |
---|
904 | }); |
---|
905 | // Dragging for overview pane |
---|
906 | this.ov.bind( "drag", function( e ) { |
---|
907 | var in_w = self.cc.width(), |
---|
908 | in_h = self.cc.height(), |
---|
909 | o_w = self.oc.width(), |
---|
910 | o_h = self.oc.height(), |
---|
911 | p = $(this).offsetParent().offset(), |
---|
912 | new_x_offset = e.offsetX - p.left, |
---|
913 | new_y_offset = e.offsetY - p.top; |
---|
914 | move( - ( new_x_offset / o_w * in_w ), |
---|
915 | - ( new_y_offset / o_h * in_h ) ); |
---|
916 | }).bind( "dragend", function() { |
---|
917 | workflow.fit_canvas_to_nodes(); |
---|
918 | self.draw_overview(); |
---|
919 | }); |
---|
920 | // Dragging for overview border (resize) |
---|
921 | $("#overview-border").bind( "drag", function( e ) { |
---|
922 | var op = $(this).offsetParent(); |
---|
923 | var opo = op.offset(); |
---|
924 | var new_size = Math.max( op.width() - ( e.offsetX - opo.left ), |
---|
925 | op.height() - ( e.offsetY - opo.top ) ); |
---|
926 | $(this).css( { |
---|
927 | width: new_size, |
---|
928 | height: new_size |
---|
929 | }); |
---|
930 | self.draw_overview(); |
---|
931 | }); |
---|
932 | |
---|
933 | /* Disable dragging for child element of the panel so that resizing can |
---|
934 | only be done by dragging the borders */ |
---|
935 | $("#overview-border div").bind("drag", function(e) { }); |
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936 | |
---|
937 | }, |
---|
938 | update_viewport_overlay: function() { |
---|
939 | var cc = this.cc, |
---|
940 | cv = this.cv, |
---|
941 | oc = this.oc, |
---|
942 | ov = this.ov, |
---|
943 | in_w = cc.width(), |
---|
944 | in_h = cc.height(), |
---|
945 | o_w = oc.width(), |
---|
946 | o_h = oc.height(), |
---|
947 | cc_pos = cc.position(); |
---|
948 | ov.css( { |
---|
949 | left: - ( cc_pos.left / in_w * o_w ), |
---|
950 | top: - ( cc_pos.top / in_h * o_h ), |
---|
951 | // Subtract 2 to account for borders (maybe just change box sizing style instead?) |
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952 | width: ( cv.width() / in_w * o_w ) - 2, |
---|
953 | height: ( cv.height() / in_h * o_h ) - 2 |
---|
954 | }); |
---|
955 | }, |
---|
956 | draw_overview: function() { |
---|
957 | var canvas_el = $("#overview-canvas"), |
---|
958 | size = canvas_el.parent().parent().width(), |
---|
959 | c = canvas_el.get(0).getContext("2d"), |
---|
960 | in_w = $("#canvas-container").width(), |
---|
961 | in_h = $("#canvas-container").height(); |
---|
962 | var o_h, shift_h, o_w, shift_w; |
---|
963 | // Fit canvas into overview area |
---|
964 | var cv_w = this.cv.width(); |
---|
965 | var cv_h = this.cv.height(); |
---|
966 | if ( in_w < cv_w && in_h < cv_h ) { |
---|
967 | // Canvas is smaller than viewport |
---|
968 | o_w = in_w / cv_w * size; |
---|
969 | shift_w = ( size - o_w ) / 2; |
---|
970 | o_h = in_h / cv_h * size; |
---|
971 | shift_h = ( size - o_h ) / 2; |
---|
972 | } else if ( in_w < in_h ) { |
---|
973 | // Taller than wide |
---|
974 | shift_h = 0; |
---|
975 | o_h = size; |
---|
976 | o_w = Math.ceil( o_h * in_w / in_h ); |
---|
977 | shift_w = ( size - o_w ) / 2; |
---|
978 | } else { |
---|
979 | // Wider than tall |
---|
980 | o_w = size; |
---|
981 | shift_w = 0; |
---|
982 | o_h = Math.ceil( o_w * in_h / in_w ); |
---|
983 | shift_h = ( size - o_h ) / 2; |
---|
984 | } |
---|
985 | canvas_el.parent().css( { |
---|
986 | left: shift_w, |
---|
987 | top: shift_h, |
---|
988 | width: o_w, |
---|
989 | height: o_h |
---|
990 | }); |
---|
991 | canvas_el.attr( "width", o_w ); |
---|
992 | canvas_el.attr( "height", o_h ); |
---|
993 | // Draw overview |
---|
994 | $.each( workflow.nodes, function( id, node ) { |
---|
995 | c.fillStyle = "#D2C099"; |
---|
996 | c.strokeStyle = "#D8B365"; |
---|
997 | c.lineWidth = 1; |
---|
998 | var node_element = $(node.element), |
---|
999 | position = node_element.position(), |
---|
1000 | x = position.left / in_w * o_w, |
---|
1001 | y = position.top / in_h * o_h, |
---|
1002 | w = node_element.width() / in_w * o_w, |
---|
1003 | h = node_element.height() / in_h * o_h; |
---|
1004 | if (node.workflow_outputs != undefined && node.workflow_outputs.length > 0){ |
---|
1005 | c.fillStyle = "#E8A92D"; |
---|
1006 | c.strokeStyle = "#E8A92D" |
---|
1007 | } |
---|
1008 | c.fillRect( x, y, w, h ); |
---|
1009 | c.strokeRect( x, y, w, h ); |
---|
1010 | }); |
---|
1011 | this.update_viewport_overlay(); |
---|
1012 | } |
---|
1013 | }); |
---|