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Struts example source code file (Axis.js)
The Struts Axis.js source code/* 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; }}); } Other Struts examples (source code examples)Here is a short list of links related to this Struts Axis.js source code file: |
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