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