You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
199 lines
6.6 KiB
199 lines
6.6 KiB
var util = require('../../util');
|
|
var DOMutil = require('../../DOMutil');
|
|
var Line = require('./graph2d_types/line');
|
|
var Bar = require('./graph2d_types/bar');
|
|
var Points = require('./graph2d_types/points');
|
|
|
|
/**
|
|
* /**
|
|
* @param {object} group | the object of the group from the dataset
|
|
* @param {string} groupId | ID of the group
|
|
* @param {object} options | the default options
|
|
* @param {array} groupsUsingDefaultStyles | this array has one entree.
|
|
* It is passed as an array so it is passed by reference.
|
|
* It enumerates through the default styles
|
|
* @constructor
|
|
*/
|
|
function GraphGroup (group, groupId, options, groupsUsingDefaultStyles) {
|
|
this.id = groupId;
|
|
var fields = ['sampling','style','sort','yAxisOrientation','barChart','drawPoints','shaded','catmullRom']
|
|
this.options = util.selectiveBridgeObject(fields,options);
|
|
this.usingDefaultStyle = group.className === undefined;
|
|
this.groupsUsingDefaultStyles = groupsUsingDefaultStyles;
|
|
this.zeroPosition = 0;
|
|
this.update(group);
|
|
if (this.usingDefaultStyle == true) {
|
|
this.groupsUsingDefaultStyles[0] += 1;
|
|
}
|
|
this.itemsData = [];
|
|
this.visible = group.visible === undefined ? true : group.visible;
|
|
}
|
|
|
|
|
|
/**
|
|
* this loads a reference to all items in this group into this group.
|
|
* @param {array} items
|
|
*/
|
|
GraphGroup.prototype.setItems = function(items) {
|
|
if (items != null) {
|
|
this.itemsData = items;
|
|
if (this.options.sort == true) {
|
|
this.itemsData.sort(function (a,b) {return a.x - b.x;})
|
|
}
|
|
}
|
|
else {
|
|
this.itemsData = [];
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* this is used for plotting barcharts, this way, we only have to calculate it once.
|
|
* @param pos
|
|
*/
|
|
GraphGroup.prototype.setZeroPosition = function(pos) {
|
|
this.zeroPosition = pos;
|
|
};
|
|
|
|
|
|
/**
|
|
* set the options of the graph group over the default options.
|
|
* @param options
|
|
*/
|
|
GraphGroup.prototype.setOptions = function(options) {
|
|
if (options !== undefined) {
|
|
var fields = ['sampling','style','sort','yAxisOrientation','barChart'];
|
|
util.selectiveDeepExtend(fields, this.options, options);
|
|
|
|
util.mergeOptions(this.options, options,'catmullRom');
|
|
util.mergeOptions(this.options, options,'drawPoints');
|
|
util.mergeOptions(this.options, options,'shaded');
|
|
|
|
if (options.catmullRom) {
|
|
if (typeof options.catmullRom == 'object') {
|
|
if (options.catmullRom.parametrization) {
|
|
if (options.catmullRom.parametrization == 'uniform') {
|
|
this.options.catmullRom.alpha = 0;
|
|
}
|
|
else if (options.catmullRom.parametrization == 'chordal') {
|
|
this.options.catmullRom.alpha = 1.0;
|
|
}
|
|
else {
|
|
this.options.catmullRom.parametrization = 'centripetal';
|
|
this.options.catmullRom.alpha = 0.5;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (this.options.style == 'line') {
|
|
this.type = new Line(this.id, this.options);
|
|
}
|
|
else if (this.options.style == 'bar') {
|
|
this.type = new Bar(this.id, this.options);
|
|
}
|
|
else if (this.options.style == 'points') {
|
|
this.type = new Points(this.id, this.options);
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* this updates the current group class with the latest group dataset entree, used in _updateGroup in linegraph
|
|
* @param group
|
|
*/
|
|
GraphGroup.prototype.update = function(group) {
|
|
this.group = group;
|
|
this.content = group.content || 'graph';
|
|
this.className = group.className || this.className || "graphGroup" + this.groupsUsingDefaultStyles[0] % 10;
|
|
this.visible = group.visible === undefined ? true : group.visible;
|
|
this.style = group.style;
|
|
this.setOptions(group.options);
|
|
};
|
|
|
|
|
|
/**
|
|
* draw the icon for the legend.
|
|
*
|
|
* @param x
|
|
* @param y
|
|
* @param JSONcontainer
|
|
* @param SVGcontainer
|
|
* @param iconWidth
|
|
* @param iconHeight
|
|
*/
|
|
GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, iconWidth, iconHeight) {
|
|
var fillHeight = iconHeight * 0.5;
|
|
var path, fillPath;
|
|
|
|
var outline = DOMutil.getSVGElement("rect", JSONcontainer, SVGcontainer);
|
|
outline.setAttributeNS(null, "x", x);
|
|
outline.setAttributeNS(null, "y", y - fillHeight);
|
|
outline.setAttributeNS(null, "width", iconWidth);
|
|
outline.setAttributeNS(null, "height", 2*fillHeight);
|
|
outline.setAttributeNS(null, "class", "outline");
|
|
|
|
if (this.options.style == 'line') {
|
|
path = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer);
|
|
path.setAttributeNS(null, "class", this.className);
|
|
if(this.style !== undefined) {
|
|
path.setAttributeNS(null, "style", this.style);
|
|
}
|
|
|
|
path.setAttributeNS(null, "d", "M" + x + ","+y+" L" + (x + iconWidth) + ","+y+"");
|
|
if (this.options.shaded.enabled == true) {
|
|
fillPath = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer);
|
|
if (this.options.shaded.orientation == 'top') {
|
|
fillPath.setAttributeNS(null, "d", "M"+x+", " + (y - fillHeight) +
|
|
"L"+x+","+y+" L"+ (x + iconWidth) + ","+y+" L"+ (x + iconWidth) + "," + (y - fillHeight));
|
|
}
|
|
else {
|
|
fillPath.setAttributeNS(null, "d", "M"+x+","+y+" " +
|
|
"L"+x+"," + (y + fillHeight) + " " +
|
|
"L"+ (x + iconWidth) + "," + (y + fillHeight) +
|
|
"L"+ (x + iconWidth) + ","+y);
|
|
}
|
|
fillPath.setAttributeNS(null, "class", this.className + " iconFill");
|
|
}
|
|
|
|
if (this.options.drawPoints.enabled == true) {
|
|
DOMutil.drawPoint(x + 0.5 * iconWidth,y, this, JSONcontainer, SVGcontainer);
|
|
}
|
|
}
|
|
else {
|
|
var barWidth = Math.round(0.3 * iconWidth);
|
|
var bar1Height = Math.round(0.4 * iconHeight);
|
|
var bar2Height = Math.round(0.75 * iconHeight);
|
|
|
|
var offset = Math.round((iconWidth - (2 * barWidth))/3);
|
|
|
|
DOMutil.drawBar(x + 0.5*barWidth + offset , y + fillHeight - bar1Height - 1, barWidth, bar1Height, this.className + ' bar', JSONcontainer, SVGcontainer);
|
|
DOMutil.drawBar(x + 1.5*barWidth + offset + 2, y + fillHeight - bar2Height - 1, barWidth, bar2Height, this.className + ' bar', JSONcontainer, SVGcontainer);
|
|
}
|
|
};
|
|
|
|
|
|
/**
|
|
* return the legend entree for this group.
|
|
*
|
|
* @param iconWidth
|
|
* @param iconHeight
|
|
* @returns {{icon: HTMLElement, label: (group.content|*|string), orientation: (.options.yAxisOrientation|*)}}
|
|
*/
|
|
GraphGroup.prototype.getLegend = function(iconWidth, iconHeight) {
|
|
var svg = document.createElementNS('http://www.w3.org/2000/svg',"svg");
|
|
this.drawIcon(0,0.5*iconHeight,[],svg,iconWidth,iconHeight);
|
|
return {icon: svg, label: this.content, orientation:this.options.yAxisOrientation};
|
|
}
|
|
|
|
GraphGroup.prototype.getYRange = function(groupData) {
|
|
return this.type.getYRange(groupData);
|
|
}
|
|
|
|
GraphGroup.prototype.draw = function(dataset, group, framework) {
|
|
this.type.draw(dataset, group, framework);
|
|
}
|
|
|
|
|
|
module.exports = GraphGroup;
|