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Replacement of the impact Flash based analysis graph by graphviz + Raphael + TCPDF. ALPHA version.
SVN:trunk[3554]
This commit is contained in:
Denis Flaven
326
js/simple_graph.js
Normal file
326
js/simple_graph.js
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// jQuery UI style "widget" for displaying a graph
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////////////////////////////////////////////////////////////////////////////////
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//
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// graph
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//
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$(function()
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{
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// the widget definition, where "itop" is the namespace,
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// "dashboard" the widget name
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$.widget( "itop.simple_graph",
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{
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// default options
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options:
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{
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xmin: 0,
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xmax: 0,
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ymin: 0,
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ymax: 0,
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align: 'center',
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'vertical-align': 'middle'
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},
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// the constructor
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_create: function()
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{
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var me = this;
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this.aNodes = [];
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this.aEdges = [];
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this.fZoom = 1.0;
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this.xOffset = 0;
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this.yOffset = 0;
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this.iTextHeight = 12;
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//this.element.height(this.element.parent().height());
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this.oPaper = Raphael(this.element.get(0), this.element.width(), this.element.height());
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this.auto_scale();
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this.element
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.addClass('itop-simple-graph');
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this._create_toolkit_menu();
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},
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// called when created, and later when changing options
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_refresh: function()
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{
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this.draw();
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},
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// events bound via _bind are removed automatically
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// revert other modifications here
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_destroy: function()
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{
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var sId = this.element.attr('id');
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this.element
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.removeClass('itop-simple-graph');
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$('#tk_graph'+sId).remove();
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},
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// _setOptions is called with a hash of all options that are changing
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_setOptions: function()
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{
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this._superApply(arguments);
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},
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// _setOption is called for each individual option that is changing
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_setOption: function( key, value )
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{
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this._superApply(arguments);
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},
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draw: function()
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{
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this.oPaper.clear();
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for(var k in this.aNodes)
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{
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this._draw_node(this.aNodes[k]);
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}
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for(var k in this.aEdges)
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{
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this._draw_edge(this.aEdges[k]);
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}
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},
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_draw_node: function(oNode)
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{
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var iWidth = oNode.width;
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var iHeight = 32;
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var xPos = Math.round(oNode.x * this.fZoom + this.xOffset);
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var yPos = Math.round(oNode.y * this.fZoom + this.yOffset);
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oNode.tx = 0;
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oNode.ty = 0;
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switch(oNode.shape)
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{
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case 'disc':
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oNode.aElements.push(this.oPaper.circle(xPos, yPos, iWidth*this.fZoom / 2).attr(oNode.disc_attr));
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var oText = this.oPaper.text(xPos, yPos, oNode.label);
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oText.attr(oNode.text_attr);
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oText.transform('s'+this.fZoom);
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oNode.aElements.push(oText);
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break;
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case 'group':
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oNode.aElements.push(this.oPaper.circle(xPos, yPos, iWidth*this.fZoom / 2).attr({fill: '#fff', 'stroke-width':0}));
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oNode.aElements.push(this.oPaper.circle(xPos, yPos, iWidth*this.fZoom / 2).attr(oNode.disc_attr));
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var xIcon = xPos - 18 * this.fZoom;
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var yIcon = yPos - 18 * this.fZoom;
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oNode.aElements.push(this.oPaper.image(oNode.icon_url, xIcon, yIcon, 16*this.fZoom, 16*this.fZoom).attr(oNode.icon_attr));
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oNode.aElements.push(this.oPaper.image(oNode.icon_url, xIcon + 18*this.fZoom, yIcon, 16*this.fZoom, 16*this.fZoom).attr(oNode.icon_attr));
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oNode.aElements.push(this.oPaper.image(oNode.icon_url, xIcon + 9*this.fZoom, yIcon + 18*this.fZoom, 16*this.fZoom, 16*this.fZoom).attr(oNode.icon_attr));
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var oText = this.oPaper.text(xPos, yPos +2, oNode.label);
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oText.attr(oNode.text_attr);
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oText.transform('s'+this.fZoom);
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var oBB = oText.getBBox();
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var dy = iHeight/2*this.fZoom + oBB.height/2;
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oText.remove();
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oText = this.oPaper.text(xPos, yPos +dy +2, oNode.label);
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oText.attr(oNode.text_attr);
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oText.transform('s'+this.fZoom);
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oNode.aElements.push(oText);
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oNode.aElements.push(this.oPaper.rect( xPos - oBB.width/2 -2, yPos - oBB.height/2 + dy, oBB.width +4, oBB.height).attr({fill: '#fff', stroke: '#fff', opacity: 0.9}));
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oText.toFront();
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break;
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case 'icon':
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if(Raphael.svg)
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{
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// the colorShift plugin works only in SVG
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oNode.aElements.push(this.oPaper.image(oNode.icon_url, xPos - iWidth * this.fZoom/2, yPos - iHeight * this.fZoom/2, iWidth*this.fZoom, iHeight*this.fZoom).colorShift('#fff', 1));
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}
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oNode.aElements.push(this.oPaper.image(oNode.icon_url, xPos - iWidth * this.fZoom/2, yPos - iHeight * this.fZoom/2, iWidth*this.fZoom, iHeight*this.fZoom).attr(oNode.icon_attr));
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var oText = this.oPaper.text( xPos, yPos, oNode.label);
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oText.attr(oNode.text_attr);
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oText.transform('s'+this.fZoom);
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var oBB = oText.getBBox();
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var dy = iHeight/2*this.fZoom + oBB.height/2;
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oText.remove();
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oText = this.oPaper.text( xPos, yPos + dy, oNode.label);
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oText.attr(oNode.text_attr);
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oText.transform('s'+this.fZoom);
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oNode.aElements.push(oText);
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oNode.aElements.push(this.oPaper.rect( xPos - oBB.width/2 -2, yPos - oBB.height/2 + dy, oBB.width +4, oBB.height).attr({fill: '#fff', stroke: '#fff', opacity: 0.9}).toBack());
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break;
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}
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if (oNode.source)
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{
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oNode.aElements.push(this.oPaper.circle(xPos, yPos, 1.25*iWidth*this.fZoom / 2).attr({stroke: '#c33', 'stroke-width': 3*this.fZoom }).toBack());
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}
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if (oNode.sink)
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{
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oNode.aElements.push(this.oPaper.circle(xPos, yPos, 1.25*iWidth*this.fZoom / 2).attr({stroke: '#33c', 'stroke-width': 3*this.fZoom }).toBack());
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}
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var me = this;
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for(k in oNode.aElements)
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{
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var sNodeId = oNode.id;
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oNode.aElements[k].drag(function(dx, dy, x, y, event) { me._move(sNodeId, dx, dy, x, y, event); }, function(x, y, event) { me._drag_start(sNodeId, x, y, event); }, function (event) { me._drag_end(sNodeId, event); });
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}
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},
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_move: function(sNodeId, dx, dy, x, y, event)
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{
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var origDx = dx / this.fZoom;
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var origDy = dy / this.fZoom;
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var oNode = this._find_node(sNodeId);
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oNode.x = oNode.xOrig + origDx;
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oNode.y = oNode.yOrig + origDy;
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for(k in oNode.aElements)
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{
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oNode.aElements[k].transform('t'+(oNode.tx + dx)+', '+(oNode.ty + dy));
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for(j in this.aEdges)
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{
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var oEdge = this.aEdges[j];
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if ((oEdge.source_node_id == sNodeId) || (oEdge.sink_node_id == sNodeId))
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{
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var sPath = this._get_edge_path(oEdge);
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oEdge.aElements[0].attr({path: sPath});
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}
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}
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}
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},
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_drag_start: function(sNodeId, x, y, event)
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{
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var oNode = this._find_node(sNodeId);
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oNode.xOrig = oNode.x;
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oNode.yOrig = oNode.y;
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},
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_drag_end: function(sNodeId, event)
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{
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var oNode = this._find_node(sNodeId);
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oNode.tx += (oNode.x - oNode.xOrig) * this.fZoom;
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oNode.ty += (oNode.y - oNode.yOrig) * this.fZoom;
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oNode.xOrig = oNode.x;
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oNode.yOrig = oNode.y;
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},
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_get_edge_path: function(oEdge)
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{
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var oStart = this._find_node(oEdge.source_node_id);
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var oEnd = this._find_node(oEdge.sink_node_id);
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var iArrowSize = 5;
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if ((oStart == null) || (oEnd == null)) return '';
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var xStart = Math.round(oStart.x * this.fZoom + this.xOffset);
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var yStart = Math.round(oStart.y * this.fZoom + this.yOffset);
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var xEnd = Math.round(oEnd.x * this.fZoom + this.xOffset);
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var yEnd = Math.round(oEnd.y * this.fZoom + this.yOffset);
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var sPath = Raphael.format('M{0},{1}L{2},{3}', xStart, yStart, xEnd, yEnd);
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var vx = (xEnd - xStart);
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var vy = (yEnd - yStart);
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var l = Math.sqrt(vx*vx+vy*vy);
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vx = vx / l;
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vy = vy / l;
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var ux = -vy;
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var uy = vx;
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var lPos = Math.max(l/2, l - 40*this.fZoom);
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var xArrow = xStart + vx * lPos;
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var yArrow = yStart + vy * lPos;
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sPath += Raphael.format('M{0},{1}l{2},{3}M{4},{5}l{6},{7}', xArrow, yArrow, this.fZoom * iArrowSize *(-vx + ux), this.fZoom * iArrowSize *(-vy + uy), xArrow, yArrow, this.fZoom * iArrowSize *(-vx - ux), this.fZoom * iArrowSize *(-vy - uy));
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return sPath;
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},
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_draw_edge: function(oEdge)
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{
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var fStrokeSize = Math.max(1, 2 * this.fZoom);
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var sPath = this._get_edge_path(oEdge);
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var oAttr = $.extend(oEdge.attr);
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oAttr['stroke-linecap'] = 'round';
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oAttr['stroke-width'] = fStrokeSize;
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oEdge.aElements.push(this.oPaper.path(sPath).attr(oAttr).toBack());
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},
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_find_node: function(sId)
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{
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for(var k in this.aNodes)
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{
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if (this.aNodes[k].id == sId) return this.aNodes[k];
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}
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return null;
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},
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auto_scale: function()
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{
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var fMaxZoom = 1.5;
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iMargin = 10;
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xmin = this.options.xmin - iMargin;
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xmax = this.options.xmax + iMargin;
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ymin = this.options.ymin - iMargin;
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ymax = this.options.ymax + iMargin;
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var xScale = this.element.width() / (xmax - xmin);
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var yScale = this.element.height() / (ymax - ymin + this.iTextHeight);
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this.fZoom = Math.min(xScale, yScale, fMaxZoom);
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switch(this.options.align)
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{
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case 'left':
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this.xOffset = -xmin * this.fZoom;
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break;
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case 'right':
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this.xOffset = (this.element.width() - (xmax - xmin) * this.fZoom);
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break;
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case 'center':
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this.xOffset = (this.element.width() - (xmax - xmin) * this.fZoom) / 2;
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break;
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}
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switch(this.options['vertical-align'])
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{
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case 'top':
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this.yOffset = -ymin * this.fZoom;
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break;
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case 'bottom':
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this.yOffset = this.element.height() - (ymax + this.iTextHeight) * this.fZoom;
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break;
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case 'middle':
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this.yOffset = (this.element.height() - (ymax - ymin + this.iTextHeight) * this.fZoom) / 2;
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break;
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}
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},
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add_node: function(oNode)
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{
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oNode.aElements = [];
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this.aNodes.push(oNode);
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},
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add_edge: function(oEdge)
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{
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oEdge.aElements = [];
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this.aEdges.push(oEdge);
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},
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_create_toolkit_menu: function()
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{
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var sPopupMenuId = 'tk_graph'+this.element.attr('id');
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var sHtml = '<div class="itop_popup toolkit_menu" style="font-size: 12px;" id="'+sPopupMenuId+'"><ul><li><img src="../images/toolkit_menu.png"><ul>';
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sHtml += '<li><a href="#" id="'+sPopupMenuId+'_pdf">Export as PDF</a></li>';
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sHtml += '<li><a href="#" id="'+sPopupMenuId+'_document">Export as document...</a></li>';
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sHtml += '<li><a href="#" id="'+sPopupMenuId+'_reload">Refresh</a></li>';
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sHtml += '</ul></li></ul></div>';
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this.element.before(sHtml);
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$('#'+sPopupMenuId).popupmenu();
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var me = this;
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$('#'+sPopupMenuId+'_pdf').click(function() { me.export_as_pdf(); });
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$('#'+sPopupMenuId+'_document').click(function() { me.export_as_document(); });
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$('#'+sPopupMenuId+'_reload').click(function() { me.reload(); });
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},
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export_as_pdf: function()
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{
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alert('Export as PDF: not yet implemented');
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},
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export_as_document: function()
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{
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alert('Export as document: not yet implemented');
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},
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reload: function()
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{
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alert('Reload: not yet implemented');
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}
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});
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});
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