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140 lines
5.0 KiB
140 lines
5.0 KiB
var util = require('../../util');
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var DOMutil = require('../../DOMutil');
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/**
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* @constructor Group
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* @param {Number | String} groupId
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* @param {Object} data
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* @param {ItemSet} itemSet
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*/
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function GraphGroup (group, groupId, options, groupsUsingDefaultStyles) {
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this.id = groupId;
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var fields = ['sampling','style','sort','yAxisOrientation','barChart','drawPoints','shaded','catmullRom']
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this.options = util.selectiveBridgeObject(fields,options);
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this.usingDefaultStyle = group.className === undefined;
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this.groupsUsingDefaultStyles = groupsUsingDefaultStyles;
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this.zeroPosition = 0;
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this.update(group);
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if (this.usingDefaultStyle == true) {
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this.groupsUsingDefaultStyles[0] += 1;
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}
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this.itemsData = [];
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this.visible = group.visible === undefined ? true : group.visible;
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}
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GraphGroup.prototype.setItems = function(items) {
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if (items != null) {
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this.itemsData = items;
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if (this.options.sort == true) {
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this.itemsData.sort(function (a,b) {return a.x - b.x;})
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}
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}
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else {
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this.itemsData = [];
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}
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};
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GraphGroup.prototype.setZeroPosition = function(pos) {
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this.zeroPosition = pos;
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};
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GraphGroup.prototype.setOptions = function(options) {
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if (options !== undefined) {
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var fields = ['sampling','style','sort','yAxisOrientation','barChart'];
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util.selectiveDeepExtend(fields, this.options, options);
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util.mergeOptions(this.options, options,'catmullRom');
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util.mergeOptions(this.options, options,'drawPoints');
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util.mergeOptions(this.options, options,'shaded');
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if (options.catmullRom) {
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if (typeof options.catmullRom == 'object') {
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if (options.catmullRom.parametrization) {
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if (options.catmullRom.parametrization == 'uniform') {
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this.options.catmullRom.alpha = 0;
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}
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else if (options.catmullRom.parametrization == 'chordal') {
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this.options.catmullRom.alpha = 1.0;
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}
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else {
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this.options.catmullRom.parametrization = 'centripetal';
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this.options.catmullRom.alpha = 0.5;
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}
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}
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}
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}
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}
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};
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GraphGroup.prototype.update = function(group) {
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this.group = group;
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this.content = group.content || 'graph';
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this.className = group.className || this.className || "graphGroup" + this.groupsUsingDefaultStyles[0] % 10;
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this.visible = group.visible === undefined ? true : group.visible;
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this.style = group.style;
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this.setOptions(group.options);
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};
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GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, iconWidth, iconHeight) {
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var fillHeight = iconHeight * 0.5;
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var path, fillPath;
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var outline = DOMutil.getSVGElement("rect", JSONcontainer, SVGcontainer);
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outline.setAttributeNS(null, "x", x);
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outline.setAttributeNS(null, "y", y - fillHeight);
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outline.setAttributeNS(null, "width", iconWidth);
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outline.setAttributeNS(null, "height", 2*fillHeight);
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outline.setAttributeNS(null, "class", "outline");
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if (this.options.style == 'line') {
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path = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer);
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path.setAttributeNS(null, "class", this.className);
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if(this.style !== undefined) {
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path.setAttributeNS(null, "style", this.style);
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}
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path.setAttributeNS(null, "d", "M" + x + ","+y+" L" + (x + iconWidth) + ","+y+"");
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if (this.options.shaded.enabled == true) {
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fillPath = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer);
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if (this.options.shaded.orientation == 'top') {
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fillPath.setAttributeNS(null, "d", "M"+x+", " + (y - fillHeight) +
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"L"+x+","+y+" L"+ (x + iconWidth) + ","+y+" L"+ (x + iconWidth) + "," + (y - fillHeight));
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}
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else {
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fillPath.setAttributeNS(null, "d", "M"+x+","+y+" " +
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"L"+x+"," + (y + fillHeight) + " " +
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"L"+ (x + iconWidth) + "," + (y + fillHeight) +
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"L"+ (x + iconWidth) + ","+y);
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}
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fillPath.setAttributeNS(null, "class", this.className + " iconFill");
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}
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if (this.options.drawPoints.enabled == true) {
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DOMutil.drawPoint(x + 0.5 * iconWidth,y, this, JSONcontainer, SVGcontainer);
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}
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}
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else {
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var barWidth = Math.round(0.3 * iconWidth);
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var bar1Height = Math.round(0.4 * iconHeight);
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var bar2Height = Math.round(0.75 * iconHeight);
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var offset = Math.round((iconWidth - (2 * barWidth))/3);
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DOMutil.drawBar(x + 0.5*barWidth + offset , y + fillHeight - bar1Height - 1, barWidth, bar1Height, this.className + ' bar', JSONcontainer, SVGcontainer);
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DOMutil.drawBar(x + 1.5*barWidth + offset + 2, y + fillHeight - bar2Height - 1, barWidth, bar2Height, this.className + ' bar', JSONcontainer, SVGcontainer);
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}
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};
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/**
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*
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* @param iconWidth
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* @param iconHeight
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* @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}}
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*/
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GraphGroup.prototype.getLegend = function(iconWidth, iconHeight) {
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var svg = document.createElementNS('http://www.w3.org/2000/svg',"svg");
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this.drawIcon(0,0.5*iconHeight,[],svg,iconWidth,iconHeight);
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return {icon: svg, label: this.content, orientation:this.options.yAxisOrientation};
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}
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module.exports = GraphGroup;
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