Subversion Repositories Applications.papyrus

/*
        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.widget.vml.Chart");
dojo.require("dojo.widget.HtmlWidget");
dojo.require("dojo.widget.Chart");
dojo.require("dojo.math");
dojo.require("dojo.html.layout");
dojo.require("dojo.gfx.color");
dojo.widget.defineWidget("dojo.widget.vml.Chart", [dojo.widget.HtmlWidget, dojo.widget.Chart], function () {
        this.templatePath = null;
        this.templateCssPath = null;
        this._isInitialize = false;
        this.hasData = false;
        this.vectorNode = null;
        this.plotArea = null;
        this.dataGroup = null;
        this.axisGroup = null;
        this.properties = {height:0, width:0, defaultWidth:600, defaultHeight:400, plotType:null, padding:{top:10, bottom:2, left:60, right:30}, axes:{x:{plotAt:0, label:"", unitLabel:"", unitType:Number, nUnitsToShow:10, range:{min:0, max:200}}, y:{plotAt:0, label:"", unitLabel:"", unitType:Number, nUnitsToShow:10, range:{min:0, max:200}}}};
}, {parseProperties:function (node) {
        var bRangeX = false;
        var bRangeY = false;
        if (node.getAttribute("width")) {
                this.properties.width = node.getAttribute("width");
        }
        if (node.getAttribute("height")) {
                this.properties.height = node.getAttribute("height");
        }
        if (node.getAttribute("plotType")) {
                this.properties.plotType = node.getAttribute("plotType");
        }
        if (node.getAttribute("padding")) {
                if (node.getAttribute("padding").indexOf(",") > -1) {
                        var p = node.getAttribute("padding").split(",");
                } else {
                        var p = node.getAttribute("padding").split(" ");
                }
                if (p.length == 1) {
                        var pad = parseFloat(p[0]);
                        this.properties.padding.top = pad;
                        this.properties.padding.right = pad;
                        this.properties.padding.bottom = pad;
                        this.properties.padding.left = pad;
                } else {
                        if (p.length == 2) {
                                var padV = parseFloat(p[0]);
                                var padH = parseFloat(p[1]);
                                this.properties.padding.top = padV;
                                this.properties.padding.right = padH;
                                this.properties.padding.bottom = padV;
                                this.properties.padding.left = padH;
                        } else {
                                if (p.length == 4) {
                                        this.properties.padding.top = parseFloat(p[0]);
                                        this.properties.padding.right = parseFloat(p[1]);
                                        this.properties.padding.bottom = parseFloat(p[2]);
                                        this.properties.padding.left = parseFloat(p[3]);
                                }
                        }
                }
        }
        if (node.getAttribute("rangeX")) {
                var p = node.getAttribute("rangeX");
                if (p.indexOf(",") > -1) {
                        p = p.split(",");
                } else {
                        p = p.split(" ");
                }
                this.properties.axes.x.range.min = parseFloat(p[0]);
                this.properties.axes.x.range.max = parseFloat(p[1]);
                bRangeX = true;
        }
        if (node.getAttribute("rangeY")) {
                var p = node.getAttribute("rangeY");
                if (p.indexOf(",") > -1) {
                        p = p.split(",");
                } else {
                        p = p.split(" ");
                }
                this.properties.axes.y.range.min = parseFloat(p[0]);
                this.properties.axes.y.range.max = parseFloat(p[1]);
                bRangeY = true;
        }
        return {rangeX:bRangeX, rangeY:bRangeY};
}, setAxesPlot:function (table) {
        if (table.getAttribute("axisAt")) {
                var p = table.getAttribute("axisAt");
                if (p.indexOf(",") > -1) {
                        p = p.split(",");
                } else {
                        p = p.split(" ");
                }
                if (!isNaN(parseFloat(p[0]))) {
                        this.properties.axes.x.plotAt = parseFloat(p[0]);
                } else {
                        if (p[0].toLowerCase() == "ymin") {
                                this.properties.axes.x.plotAt = this.properties.axes.y.range.min;
                        } else {
                                if (p[0].toLowerCase() == "ymax") {
                                        this.properties.axes.x.plotAt = this.properties.axes.y.range.max;
                                }
                        }
                }
                if (!isNaN(parseFloat(p[1]))) {
                        this.properties.axes.y.plotAt = parseFloat(p[1]);
                } else {
                        if (p[1].toLowerCase() == "xmin") {
                                this.properties.axes.y.plotAt = this.properties.axes.x.range.min;
                        } else {
                                if (p[1].toLowerCase() == "xmax") {
                                        this.properties.axes.y.plotAt = this.properties.axes.x.range.max;
                                }
                        }
                }
        } else {
                this.properties.axes.x.plotAt = this.properties.axes.y.range.min;
                this.properties.axes.y.plotAt = this.properties.axes.x.range.min;
        }
}, drawVectorNode:function () {
        if (this.vectorNode) {
                this.destroy();
        }
        this.vectorNode = document.createElement("div");
        this.vectorNode.style.width = this.properties.width + "px";
        this.vectorNode.style.height = this.properties.height + "px";
        this.vectorNode.style.position = "relative";
        this.domNode.appendChild(this.vectorNode);
}, drawPlotArea:function () {
        var plotWidth = this.properties.width - this.properties.padding.left - this.properties.padding.right;
        var plotHeight = this.properties.height - this.properties.padding.top - this.properties.padding.bottom;
        if (this.plotArea) {
                this.plotArea.parentNode.removeChild(this.plotArea);
                this.plotArea = null;
        }
        this.plotArea = document.createElement("div");
        this.plotArea.style.position = "absolute";
        this.plotArea.style.backgroundColor = "#fff";
        this.plotArea.style.top = (this.properties.padding.top) - 2 + "px";
        this.plotArea.style.left = (this.properties.padding.left - 1) + "px";
        this.plotArea.style.width = plotWidth + "px";
        this.plotArea.style.height = plotHeight + "px";
        this.plotArea.style.clip = "rect(0 " + plotWidth + " " + plotHeight + " 0)";
        this.vectorNode.appendChild(this.plotArea);
}, drawDataGroup:function () {
        var plotWidth = this.properties.width - this.properties.padding.left - this.properties.padding.right;
        var plotHeight = this.properties.height - this.properties.padding.top - this.properties.padding.bottom;
        if (this.dataGroup) {
                this.dataGroup.parentNode.removeChild(this.dataGroup);
                this.dataGroup = null;
        }
        this.dataGroup = document.createElement("div");
        this.dataGroup.style.position = "absolute";
        this.dataGroup.setAttribute("title", "Data Group");
        this.dataGroup.style.top = "0px";
        this.dataGroup.style.left = "0px";
        this.dataGroup.style.width = plotWidth + "px";
        this.dataGroup.style.height = plotHeight + "px";
        this.plotArea.appendChild(this.dataGroup);
}, drawAxes:function () {
        var plotWidth = this.properties.width - this.properties.padding.left - this.properties.padding.right;
        var plotHeight = this.properties.height - this.properties.padding.top - this.properties.padding.bottom;
        if (this.axisGroup) {
                this.axisGroup.parentNode.removeChild(this.axisGroup);
                this.axisGroup = null;
        }
        this.axisGroup = document.createElement("div");
        this.axisGroup.style.position = "absolute";
        this.axisGroup.setAttribute("title", "Axis Group");
        this.axisGroup.style.top = "0px";
        this.axisGroup.style.left = "0px";
        this.axisGroup.style.width = plotWidth + "px";
        this.axisGroup.style.height = plotHeight + "px";
        this.plotArea.appendChild(this.axisGroup);
        var stroke = 1;
        var line = document.createElement("v:line");
        var y = dojo.widget.vml.Chart.Plotter.getY(this.properties.axes.x.plotAt, this);
        line.setAttribute("from", "0px," + y + "px");
        line.setAttribute("to", plotWidth + "px," + y + "px");
        line.style.position = "absolute";
        line.style.top = "0px";
        line.style.left = "0px";
        line.style.antialias = "false";
        line.setAttribute("strokecolor", "#666");
        line.setAttribute("strokeweight", stroke * 2 + "px");
        this.axisGroup.appendChild(line);
        var line = document.createElement("v:line");
        var x = dojo.widget.vml.Chart.Plotter.getX(this.properties.axes.y.plotAt, this);
        line.setAttribute("from", x + "px,0px");
        line.setAttribute("to", x + "px," + plotHeight + "px");
        line.style.position = "absolute";
        line.style.top = "0px";
        line.style.left = "0px";
        line.style.antialias = "false";
        line.setAttribute("strokecolor", "#666");
        line.setAttribute("strokeweight", stroke * 2 + "px");
        this.axisGroup.appendChild(line);
        var size = 10;
        var t = document.createElement("div");
        t.style.position = "absolute";
        t.style.top = (this.properties.height - this.properties.padding.bottom) + "px";
        t.style.left = this.properties.padding.left + "px";
        t.style.fontFamily = "sans-serif";
        t.style.fontSize = size + "px";
        t.innerHTML = dojo.math.round(parseFloat(this.properties.axes.x.range.min), 2);
        this.vectorNode.appendChild(t);
        t = document.createElement("div");
        t.style.position = "absolute";
        t.style.top = (this.properties.height - this.properties.padding.bottom) + "px";
        t.style.left = (this.properties.width - this.properties.padding.right - size) + "px";
        t.style.fontFamily = "sans-serif";
        t.style.fontSize = size + "px";
        t.innerHTML = dojo.math.round(parseFloat(this.properties.axes.x.range.max), 2);
        this.vectorNode.appendChild(t);
        t = document.createElement("div");
        t.style.position = "absolute";
        t.style.top = (size / 2) + "px";
        t.style.left = "0px";
        t.style.width = this.properties.padding.left + "px";
        t.style.textAlign = "right";
        t.style.paddingRight = "4px";
        t.style.fontFamily = "sans-serif";
        t.style.fontSize = size + "px";
        t.innerHTML = dojo.math.round(parseFloat(this.properties.axes.y.range.max), 2);
        this.vectorNode.appendChild(t);
        t = document.createElement("div");
        t.style.position = "absolute";
        t.style.top = (this.properties.height - this.properties.padding.bottom - size) + "px";
        t.style.left = "0px";
        t.style.width = this.properties.padding.left + "px";
        t.style.textAlign = "right";
        t.style.paddingRight = "4px";
        t.style.fontFamily = "sans-serif";
        t.style.fontSize = size + "px";
        t.innerHTML = dojo.math.round(parseFloat(this.properties.axes.y.range.min), 2);
        this.vectorNode.appendChild(t);
}, init:function () {
        if (!this.properties.width || !this.properties.height) {
                var box = dojo.html.getContentBox(this.domNode);
                if (!this.properties.width) {
                        this.properties.width = (box.width < 32) ? this.properties.defaultWidth : box.width;
                }
                if (!this.properties.height) {
                        this.properties.height = (box.height < 32) ? this.properties.defaultHeight : box.height;
                }
        }
        this.drawVectorNode();
        this.drawPlotArea();
        this.drawDataGroup();
        this.drawAxes();
        this.assignColors();
        this._isInitialized = true;
}, destroy:function () {
        while (this.domNode.childNodes.length > 0) {
                this.domNode.removeChild(this.domNode.childNodes[0]);
        }
        this.vectorNode = this.plotArea = this.dataGroup = this.axisGroup = null;
}, render:function () {
        if (this.dataGroup) {
                while (this.dataGroup.childNodes.length > 0) {
                        this.dataGroup.removeChild(this.dataGroup.childNodes[0]);
                }
        } else {
                this.init();
        }
        for (var i = 0; i < this.series.length; i++) {
                dojo.widget.vml.Chart.Plotter.plot(this.series[i], this);
        }
}, postCreate:function () {
        var table = this.domNode.getElementsByTagName("table")[0];
        if (table) {
                var ranges = this.parseProperties(table);
                var bRangeX = false;
                var bRangeY = false;
                var axisValues = this.parseData(table);
                if (!bRangeX) {
                        this.properties.axes.x.range = {min:axisValues.x.min, max:axisValues.x.max};
                }
                if (!bRangeY) {
                        this.properties.axes.y.range = {min:axisValues.y.min, max:axisValues.y.max};
                }
                this.setAxesPlot(table);
                this.domNode.removeChild(table);
        }
        if (this.series.length > 0) {
                this.render();
        }
}});
dojo.widget.vml.Chart.Plotter = new function () {
        var self = this;
        var plotters = {};
        var types = dojo.widget.Chart.PlotTypes;
        this.getX = function (value, chart) {
                var v = parseFloat(value);
                var min = chart.properties.axes.x.range.min;
                var max = chart.properties.axes.x.range.max;
                var ofst = 0 - min;
                min += ofst;
                max += ofst;
                v += ofst;
                var xmin = 0;
                var xmax = chart.properties.width - chart.properties.padding.left - chart.properties.padding.right;
                var x = (v * ((xmax - xmin) / max)) + xmin;
                return x;
        };
        this.getY = function (value, chart) {
                var v = parseFloat(value);
                var max = chart.properties.axes.y.range.max;
                var min = chart.properties.axes.y.range.min;
                var ofst = 0;
                if (min < 0) {
                        ofst += Math.abs(min);
                }
                min += ofst;
                max += ofst;
                v += ofst;
                var ymin = chart.properties.height - chart.properties.padding.top - chart.properties.padding.bottom;
                var ymax = 0;
                var y = (((ymin - ymax) / (max - min)) * (max - v)) + ymax;
                return y;
        };
        this.addPlotter = function (name, func) {
                plotters[name] = func;
        };
        this.plot = function (series, chart) {
                if (series.values.length == 0) {
                        return;
                }
                if (series.plotType && plotters[series.plotType]) {
                        return plotters[series.plotType](series, chart);
                } else {
                        if (chart.plotType && plotters[chart.plotType]) {
                                return plotters[chart.plotType](series, chart);
                        }
                }
        };
        plotters["bar"] = function (series, chart) {
                var space = 1;
                var lastW = 0;
                var ys = [];
                var yAxis = self.getY(chart.properties.axes.x.plotAt, chart);
                var yA = yAxis;
                for (var i = 0; i < series.values.length; i++) {
                        var x = self.getX(series.values[i].x, chart);
                        var w;
                        if (i == series.values.length - 1) {
                                w = lastW;
                        } else {
                                w = self.getX(series.values[i + 1].x, chart) - x - space;
                                lastW = w;
                        }
                        x -= (w / 2);
                        var y = self.getY(series.values[i].value, chart);
                        var h = Math.abs(yA - y);
                        if (parseFloat(series.values[i].value) < chart.properties.axes.x.plotAt) {
                                y = yA;
                        }
                        var bar = document.createElement("v:rect");
                        bar.style.position = "absolute";
                        bar.style.top = y + "px";
                        bar.style.left = x + "px";
                        bar.style.width = w + "px";
                        bar.style.height = h + "px";
                        bar.setAttribute("fillColor", series.color);
                        bar.setAttribute("stroked", "false");
                        bar.style.antialias = "false";
                        bar.setAttribute("title", series.label + " (" + i + "): " + series.values[i].value);
                        var fill = document.createElement("v:fill");
                        fill.setAttribute("opacity", "0.9");
                        bar.appendChild(fill);
                        chart.dataGroup.appendChild(bar);
                }
        };
        plotters["line"] = function (series, chart) {
                var tension = 1.5;
                var line = document.createElement("v:shape");
                line.setAttribute("strokeweight", "2px");
                line.setAttribute("strokecolor", series.color);
                line.setAttribute("fillcolor", "none");
                line.setAttribute("filled", "false");
                line.setAttribute("title", series.label);
                line.setAttribute("coordsize", chart.properties.width + "," + chart.properties.height);
                line.style.position = "absolute";
                line.style.top = "0px";
                line.style.left = "0px";
                line.style.width = chart.properties.width + "px";
                line.style.height = chart.properties.height + "px";
                var stroke = document.createElement("v:stroke");
                stroke.setAttribute("opacity", "0.85");
                line.appendChild(stroke);
                var path = [];
                for (var i = 0; i < series.values.length; i++) {
                        var x = Math.round(self.getX(series.values[i].x, chart));
                        var y = Math.round(self.getY(series.values[i].value, chart));
                        if (i == 0) {
                                path.push("m");
                                path.push(x + "," + y);
                        } else {
                                var lastx = Math.round(self.getX(series.values[i - 1].x, chart));
                                var lasty = Math.round(self.getY(series.values[i - 1].value, chart));
                                var dx = x - lastx;
                                var dy = y - lasty;
                                path.push("c");
                                var cx = Math.round((x - (tension - 1) * (dx / tension)));
                                path.push(cx + "," + lasty);
                                cx = Math.round((x - (dx / tension)));
                                path.push(cx + "," + y);
                                path.push(x + "," + y);
                        }
                }
                line.setAttribute("path", path.join(" ") + " e");
                chart.dataGroup.appendChild(line);
        };
        plotters["area"] = function (series, chart) {
                var tension = 1.5;
                var line = document.createElement("v:shape");
                line.setAttribute("strokeweight", "1px");
                line.setAttribute("strokecolor", series.color);
                line.setAttribute("fillcolor", series.color);
                line.setAttribute("title", series.label);
                line.setAttribute("coordsize", chart.properties.width + "," + chart.properties.height);
                line.style.position = "absolute";
                line.style.top = "0px";
                line.style.left = "0px";
                line.style.width = chart.properties.width + "px";
                line.style.height = chart.properties.height + "px";
                var stroke = document.createElement("v:stroke");
                stroke.setAttribute("opacity", "0.8");
                line.appendChild(stroke);
                var fill = document.createElement("v:fill");
                fill.setAttribute("opacity", "0.4");
                line.appendChild(fill);
                var path = [];
                for (var i = 0; i < series.values.length; i++) {
                        var x = Math.round(self.getX(series.values[i].x, chart));
                        var y = Math.round(self.getY(series.values[i].value, chart));
                        if (i == 0) {
                                path.push("m");
                                path.push(x + "," + y);
                        } else {
                                var lastx = Math.round(self.getX(series.values[i - 1].x, chart));
                                var lasty = Math.round(self.getY(series.values[i - 1].value, chart));
                                var dx = x - lastx;
                                var dy = y - lasty;
                                path.push("c");
                                var cx = Math.round((x - (tension - 1) * (dx / tension)));
                                path.push(cx + "," + lasty);
                                cx = Math.round((x - (dx / tension)));
                                path.push(cx + "," + y);
                                path.push(x + "," + y);
                        }
                }
                path.push("l");
                path.push(x + "," + self.getY(0, chart));
                path.push("l");
                path.push(self.getX(0, chart) + "," + self.getY(0, chart));
                line.setAttribute("path", path.join(" ") + " x e");
                chart.dataGroup.appendChild(line);
        };
        plotters["scatter"] = function (series, chart) {
                var r = 6;
                for (var i = 0; i < series.values.length; i++) {
                        var x = self.getX(series.values[i].x, chart);
                        var y = self.getY(series.values[i].value, chart);
                        var mod = r / 2;
                        var point = document.createElement("v:rect");
                        point.setAttribute("fillcolor", series.color);
                        point.setAttribute("strokecolor", series.color);
                        point.setAttribute("title", series.label + ": " + series.values[i].value);
                        point.style.position = "absolute";
                        point.style.rotation = "45";
                        point.style.top = (y - mod) + "px";
                        point.style.left = (x - mod) + "px";
                        point.style.width = r + "px";
                        point.style.height = r + "px";
                        var fill = document.createElement("v:fill");
                        fill.setAttribute("opacity", "0.6");
                        point.appendChild(fill);
                        chart.dataGroup.appendChild(point);
                }
        };
        plotters["bubble"] = function (series, chart) {
                var minR = 1;
                var min = chart.properties.axes.x.range.min;
                var max = chart.properties.axes.x.range.max;
                var ofst = 0 - min;
                min += ofst;
                max += ofst;
                var xmin = chart.properties.padding.left;
                var xmax = chart.properties.width - chart.properties.padding.right;
                var factor = (max - min) / (xmax - xmin) * 25;
                for (var i = 0; i < series.values.length; i++) {
                        var size = series.values[i].size;
                        if (isNaN(parseFloat(size))) {
                                size = minR;
                        }
                        var radius = (parseFloat(size) * factor) / 2;
                        var diameter = radius * 2;
                        var cx = self.getX(series.values[i].x, chart);
                        var cy = self.getY(series.values[i].value, chart);
                        var top = cy - radius;
                        var left = cx - radius;
                        var point = document.createElement("v:oval");
                        point.setAttribute("fillcolor", series.color);
                        point.setAttribute("title", series.label + ": " + series.values[i].value + " (" + size + ")");
                        point.setAttribute("stroked", "false");
                        point.style.position = "absolute";
                        point.style.top = top + "px";
                        point.style.left = left + "px";
                        point.style.width = diameter + "px";
                        point.style.height = diameter + "px";
                        var fill = document.createElement("v:fill");
                        fill.setAttribute("opacity", "0.8");
                        point.appendChild(fill);
                        chart.dataGroup.appendChild(point);
                }
        };
}();