| /* |
| 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.svg.Axis"); |
| dojo.require("dojo.lang.common"); |
| if (dojo.render.svg.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.createElementNS(dojo.svg.xmlns.svg, "g"); |
| 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.createElementNS(dojo.svg.xmlns.svg, "line"); |
| l.setAttribute("style", "stroke:#999;stroke-width:1px;stroke-dasharray:1,4;"); |
| if (plane == "x") { |
| l.setAttribute("y1", area.top); |
| l.setAttribute("y2", area.bottom); |
| l.setAttribute("x1", v); |
| l.setAttribute("x2", v); |
| } else { |
| if (plane == "y") { |
| l.setAttribute("y1", v); |
| l.setAttribute("y2", v); |
| l.setAttribute("x1", area.left); |
| l.setAttribute("x2", area.right); |
| } |
| } |
| 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.createElementNS(dojo.svg.xmlns.svg, "g"); |
| 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.createElementNS(dojo.svg.xmlns.svg, "line"); |
| l.setAttribute("style", "stroke:#000;stroke-width:1pt;"); |
| if (plane == "x") { |
| l.setAttribute("y1", coord); |
| l.setAttribute("y2", coord + 3); |
| l.setAttribute("x1", v); |
| l.setAttribute("x2", v); |
| } else { |
| if (plane == "y") { |
| l.setAttribute("y1", v); |
| l.setAttribute("y2", v); |
| l.setAttribute("x1", coord - 2); |
| l.setAttribute("x2", coord + 2); |
| } |
| } |
| g.appendChild(l); |
| } |
| return g; |
| }, renderLabels:function (plotArea, plot, plane, coord, textSize, anchor) { |
| function createLabel(label, x, y, textSize, anchor) { |
| var text = document.createElementNS(dojo.svg.xmlns.svg, "text"); |
| text.setAttribute("x", x); |
| text.setAttribute("y", (plane == "x" ? y : y + 2)); |
| text.setAttribute("style", "text-anchor:" + anchor + ";font-family:sans-serif;font-size:" + textSize + "px;fill:#000;"); |
| text.appendChild(document.createTextNode(label)); |
| 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.createElementNS(dojo.svg.xmlns.svg, "g"); |
| 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") { |
| g.appendChild(createLabel(this._labels[i].label, v, coord, textSize, anchor)); |
| } else { |
| if (plane == "y") { |
| g.appendChild(createLabel(this._labels[i].label, coord, v, textSize, anchor)); |
| } |
| } |
| } |
| 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); |
| this.nodes.main = document.createElementNS(dojo.svg.xmlns.svg, "g"); |
| var g = this.nodes.main; |
| g.setAttribute("id", this.getId()); |
| var line = this.nodes.axis = document.createElementNS(dojo.svg.xmlns.svg, "line"); |
| if (plane == "x") { |
| line.setAttribute("y1", coord); |
| line.setAttribute("y2", coord); |
| line.setAttribute("x1", area.left - stroke); |
| line.setAttribute("x2", area.right + stroke); |
| line.setAttribute("style", style); |
| var y = coord + 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, "middle")); |
| } |
| if (this.showLabel && this.label) { |
| var x = plotArea.size.width / 2; |
| var text = document.createElementNS(dojo.svg.xmlns.svg, "text"); |
| text.setAttribute("x", x); |
| text.setAttribute("y", (coord + (textSize * 2) + (textSize / 2))); |
| text.setAttribute("style", "text-anchor:middle;font-family:sans-serif;font-weight:bold;font-size:" + (textSize + 2) + "px;fill:#000;"); |
| text.appendChild(document.createTextNode(this.label)); |
| g.appendChild(text); |
| } |
| } else { |
| line.setAttribute("x1", coord); |
| line.setAttribute("x2", coord); |
| line.setAttribute("y1", area.top); |
| line.setAttribute("y2", area.bottom); |
| line.setAttribute("style", style); |
| var isMax = this.origin == drawAgainst.range.upper; |
| var x = coord + (isMax ? 4 : -4); |
| var anchor = isMax ? "start" : "end"; |
| 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) { |
| var x = isMax ? (coord + (textSize * 2) + (textSize / 2)) : (coord - (textSize * 4)); |
| var y = plotArea.size.height / 2; |
| var text = document.createElementNS(dojo.svg.xmlns.svg, "text"); |
| text.setAttribute("x", x); |
| text.setAttribute("y", y); |
| text.setAttribute("transform", "rotate(90, " + x + ", " + y + ")"); |
| text.setAttribute("style", "text-anchor:middle;font-family:sans-serif;font-weight:bold;font-size:" + (textSize + 2) + "px;fill:#000;"); |
| text.appendChild(document.createTextNode(this.label)); |
| g.appendChild(text); |
| } |
| } |
| g.appendChild(line); |
| return g; |
| }}); |
| } |
| |