| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified BSD license. For more information on Dojo licensing, see: |
| |
| http://dojotoolkit.org/community/licensing.shtml |
| */ |
| |
| dojo.provide("dojo.charting.vml.Axis"); |
| dojo.require("dojo.lang.common"); |
| |
| if(dojo.render.vml.capable){ |
| dojo.extend(dojo.charting.Axis, { |
| renderLines: function( |
| /* dojo.charting.PlotArea */plotArea, |
| /* dojo.charting.Plot */plot, |
| /* string */plane |
| ){ |
| // summary |
| // Renders any reference lines for this axis. |
| if(this.nodes.lines){ |
| while(this.nodes.lines.childNodes.length > 0){ |
| this.nodes.lines.removeChild(this.nodes.lines.childNodes[0]); |
| } |
| if(this.nodes.lines.parentNode){ |
| this.nodes.lines.parentNode.removeChild(this.nodes.lines); |
| this.nodes.lines = null; |
| } |
| } |
| |
| var area = plotArea.getArea(); |
| var g = this.nodes.lines = document.createElement("div"); |
| g.setAttribute("id", this.getId()+"-lines"); |
| for(var i=0; i<this._labels.length; i++){ |
| if (this._labels[i].value == this.origin){ continue; } |
| |
| var v = this.getCoord(this._labels[i].value, plotArea, plot); |
| var l=document.createElement("v:line"); |
| var str=document.createElement("v:stroke"); |
| str.dashstyle="dot"; |
| l.appendChild(str); |
| l.setAttribute("strokecolor", "#666"); |
| l.setAttribute("strokeweight", "1px"); |
| var s=l.style; |
| s.position="absolute"; |
| s.top="0px"; |
| s.left="0px"; |
| s.antialias="false"; |
| if(plane == "x"){ |
| l.setAttribute("from", v+"px,"+area.top+"px"); |
| l.setAttribute("to", v+"px,"+area.bottom+"px"); |
| } |
| else if (plane == "y"){ |
| l.setAttribute("from", area.left+"px,"+v+"px"); |
| l.setAttribute("to", area.right+"px,"+v+"px"); |
| } |
| g.appendChild(l); |
| } |
| return g; // HTMLDivElement |
| }, |
| renderTicks: function( |
| /* dojo.charting.PlotArea */plotArea, |
| /* dojo.charting.Plot */plot, |
| /* string */plane, |
| /* float */coord |
| ){ |
| // summary |
| // Renders any tick lines for this axis. |
| if(this.nodes.ticks){ |
| while(this.nodes.ticks.childNodes.length > 0){ |
| this.nodes.ticks.removeChild(this.nodes.ticks.childNodes[0]); |
| } |
| if(this.nodes.ticks.parentNode){ |
| this.nodes.ticks.parentNode.removeChild(this.nodes.ticks); |
| this.nodes.ticks = null; |
| } |
| } |
| |
| var g = this.nodes.ticks = document.createElement("div"); |
| g.setAttribute("id", this.getId()+"-ticks"); |
| for(var i=0; i<this._labels.length; i++){ |
| var v = this.getCoord(this._labels[i].value, plotArea, plot); |
| |
| var l=document.createElement("v:line"); |
| l.setAttribute("strokecolor", "#000"); |
| l.setAttribute("strokeweight", "1px"); |
| var s=l.style; |
| s.position="absolute"; |
| s.top="0px"; |
| s.left="0px"; |
| s.antialias="false"; |
| if(plane == "x"){ |
| l.setAttribute("from", v+"px,"+coord+"px"); |
| l.setAttribute("to", v+"px,"+(coord+3)+"px"); |
| } |
| else if (plane == "y"){ |
| l.setAttribute("from", (coord-2)+"px,"+v+"px"); |
| l.setAttribute("to", (coord+2)+"px,"+v+"px"); |
| } |
| g.appendChild(l); |
| } |
| return g; // HTMLDivElement |
| }, |
| renderLabels: function( |
| /* dojo.charting.PlotArea */plotArea, |
| /* dojo.charting.Plot */plot, |
| /* string */plane, |
| /* float */coord, |
| /* int */textSize, |
| /* string */anchor |
| ){ |
| // summary |
| // Render all labels for this axis. |
| function createLabel(label, x, y, textSize, anchor){ |
| var text = document.createElement("div"); |
| var s=text.style; |
| text.innerHTML=label; |
| s.fontSize=textSize+"px"; |
| s.fontFamily="sans-serif"; |
| s.position="absolute"; |
| s.top = y+"px"; |
| if(anchor == "center"){ |
| s.left = x + "px"; |
| s.textAlign="center"; |
| } else if (anchor == "left"){ |
| s.left = x + "px"; |
| s.textAlign="left"; |
| } else if (anchor == "right"){ |
| s.right = x + "px"; |
| s.textAlign="right"; |
| } |
| return text; |
| }; |
| |
| // wipe if needed |
| if(this.nodes.labels){ |
| while(this.nodes.labels.childNodes.length > 0){ |
| this.nodes.labels.removeChild(this.nodes.labels.childNodes[0]); |
| } |
| if(this.nodes.labels.parentNode){ |
| this.nodes.labels.parentNode.removeChild(this.nodes.labels); |
| this.nodes.labels = null; |
| } |
| } |
| var g = this.nodes.labels = document.createElement("div"); |
| g.setAttribute("id", this.getId()+"-labels"); |
| |
| for(var i=0; i<this._labels.length; i++){ |
| var v = this.getCoord(this._labels[i].value, plotArea, plot); |
| if(plane == "x"){ |
| // ugly hack but it works. |
| var node=createLabel(this._labels[i].label, v, coord, textSize, anchor); |
| document.body.appendChild(node); |
| node.style.left = v-(node.offsetWidth/2)+"px"; |
| g.appendChild(node); |
| } |
| else if (plane == "y"){ |
| var node = createLabel(this._labels[i].label, coord, v, textSize, anchor); |
| document.body.appendChild(node); |
| node.style.top = v-(node.offsetHeight/2)+"px"; |
| g.appendChild(node); |
| } |
| } |
| return g; // HTMLDivElement |
| }, |
| render: function( |
| /* dojo.charting.PlotArea */plotArea, |
| /* dojo.charting.Plot */plot, |
| /* dojo.charting.Axis */drawAgainst, |
| /* string */plane |
| ){ |
| // summary |
| // Renders this axis to the given plot. |
| |
| // get the origin plot point. |
| var area = plotArea.getArea(); |
| var stroke = 1; |
| var style = "stroke:#000;stroke-width:"+stroke+"px;"; |
| var textSize=10; |
| var coord = drawAgainst.getCoord(this.origin, plotArea, plot); |
| |
| // draw the axis. |
| var g = this.nodes.main = document.createElement("div"); |
| g.setAttribute("id", this.getId()); // need a handle if we have to kill parts of the axis def. |
| var line = this.nodes.axis = document.createElement("v:line"); |
| line.setAttribute("strokecolor", "#000"); |
| line.setAttribute("strokeweight", stroke+"px"); |
| var s=line.style; |
| s.position="absolute"; |
| s.top="0px"; |
| s.left="0px"; |
| s.antialias="false"; |
| if(plane == "x"){ |
| line.setAttribute("from", area.left+"px,"+coord+"px"); |
| line.setAttribute("to", area.right+"px,"+coord+"px"); |
| |
| // set up the labels |
| var y = coord + Math.floor(textSize/2); |
| if(this.showLines){ |
| g.appendChild(this.renderLines(plotArea, plot, plane, y)); |
| } |
| if(this.showTicks){ |
| g.appendChild(this.renderTicks(plotArea, plot, plane, coord)); |
| } |
| if(this.showLabels){ |
| g.appendChild(this.renderLabels(plotArea, plot, plane, y, textSize, "center")); |
| } |
| if(this.showLabel && this.label){ |
| var x = plotArea.size.width/2; |
| var y = coord + Math.round(textSize*1.5); |
| var text = document.createElement("div"); |
| var s=text.style; |
| text.innerHTML=this.label; |
| s.fontSize=(textSize+2)+"px"; |
| s.fontFamily="sans-serif"; |
| s.fontWeight="bold"; |
| s.position="absolute"; |
| s.top = y+"px"; |
| s.left = x + "px"; |
| s.textAlign="center"; |
| document.body.appendChild(text); |
| text.style.left = x-(text.offsetWidth/2)+"px"; |
| g.appendChild(text); |
| } |
| } else { |
| line.setAttribute("from", coord+"px,"+area.top+"px"); |
| line.setAttribute("to", coord+"px,"+area.bottom+"px"); |
| |
| // set up the labels |
| var isMax = this.origin == drawAgainst.range.upper; |
| var x = coord+4; |
| var anchor = "left"; |
| if(!isMax){ |
| x = area.right-coord+textSize+4; |
| anchor = "right"; |
| if(coord == area.left){ x += (textSize*2)-(textSize/2); } |
| } |
| if(this.showLines){ |
| g.appendChild(this.renderLines(plotArea, plot, plane, x)); |
| } |
| if(this.showTicks){ |
| g.appendChild(this.renderTicks(plotArea, plot, plane, coord)); |
| } |
| if(this.showLabels){ |
| g.appendChild(this.renderLabels(plotArea, plot, plane, x, textSize, anchor)); |
| } |
| if(this.showLabel && this.label){ |
| x += (textSize*2)-2; |
| var y = plotArea.size.height/2; |
| var text = document.createElement("div"); |
| var s=text.style; |
| text.innerHTML=this.label; |
| s.fontSize=(textSize+2)+"px"; |
| s.fontFamily="sans-serif"; |
| s.fontWeight="bold"; |
| s.position="absolute"; |
| s.height = plotArea.size.height+"px"; |
| s.writingMode = "tb-rl"; |
| s.textAlign="center"; |
| s[anchor] = x+"px"; |
| document.body.appendChild(text); |
| s.top = y-(text.offsetHeight/2)+"px"; |
| g.appendChild(text); |
| } |
| } |
| g.appendChild(line); |
| return g; // HTMLDivElement |
| } |
| }); |
| } |