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/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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http://dojotoolkit.org/community/licensing.shtml |
*/ |
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dojo.provide("dojo.charting.vml.Axis"); |
dojo.require("dojo.lang.common"); |
if (dojo.render.vml.capable) { |
dojo.extend(dojo.charting.Axis, {renderLines:function (plotArea, plot, plane) { |
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; |
}, renderTicks:function (plotArea, plot, plane, coord) { |
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; |
}, renderLabels:function (plotArea, plot, plane, coord, textSize, anchor) { |
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; |
} |
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") { |
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; |
}, render:function (plotArea, plot, drawAgainst, plane) { |
if (!this._rerender && this.nodes.main) { |
return this.nodes.main; |
} |
this._rerender = false; |
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); |
var g = this.nodes.main = document.createElement("div"); |
g.setAttribute("id", this.getId()); |
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"); |
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"); |
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; |
}}); |
} |
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