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salesagility_SuiteCRM/include/SuiteGraphs/rgraph/libraries/RGraph.drawing.marker3.js

568 lines
17 KiB
JavaScript

// version: 2015-11-02
/**
* o--------------------------------------------------------------------------------o
* | This file is part of the RGraph package - you can learn more at: |
* | |
* | http://www.rgraph.net |
* | |
* | RGraph is dual licensed under the Open Source GPL (General Public License) |
* | v2.0 license and a commercial license which means that you're not bound by |
* | the terms of the GPL. The commercial license is just £99 (GBP) and you can |
* | read about it here: |
* | http://www.rgraph.net/license |
* o--------------------------------------------------------------------------------o
*/
/**
* Having this here means that the RGraph libraries can be included in any order, instead of you having
* to include the common core library first.
*/
// Define the RGraph global variable
RGraph = window.RGraph || {isRGraph: true};
RGraph.Drawing = RGraph.Drawing || {};
/**
* The constructor. This function sets up the object. It takes the ID (the HTML attribute) of the canvas as the
* first argument and the data as the second. If you need to change this, you can. Alternatively it can take
* a single JSON-style configuration object
*
* @param string id The canvas tag ID
* @param number x The X position of the marker
* @param number y The Y position of the marker
* @param number text The max radius of the pulsing circle
*/
RGraph.Drawing.Marker3 = function (conf)
{
/**
* Allow for object config style
*/
if ( typeof conf === 'object'
&& typeof conf.x === 'number'
&& typeof conf.y === 'number'
&& typeof conf.id === 'string'
&& typeof conf.radius === 'number') {
var id = conf.id
var canvas = document.getElementById(id);
var x = conf.x;
var y = conf.y;
var radius = conf.radius;
var parseConfObjectForOptions = true; // Set this so the config is parsed (at the end of the constructor)
} else {
var id = conf;
var canvas = document.getElementById(id);
var x = arguments[1];
var y = arguments[2];
var radius = arguments[3];
}
this.id = id;
this.canvas = document.getElementById(this.id);
this.context = this.canvas.getContext('2d')
this.colorsParsed = false;
this.canvas.__object__ = this;
this.original_colors = [];
this.firstDraw = true; // After the first draw this will be false
// The actual radius is what is used to draw the marker - the other radius is the maximum target radius
// that the marker grows to
this.actualRadius = 0;
// This is the alpha value that is used to fade out the pulsing marker
this.alpha = 1;
/**
* Store the properties
*/
this.centerx = x;
this.centery = y;
this.radius = radius;
/**
* This defines the type of this shape
*/
this.type = 'drawing.marker3';
/**
* This facilitates easy object identification, and should always be true
*/
this.isRGraph = true;
/**
* This adds a uid to the object that you can use for identification purposes
*/
this.uid = RGraph.CreateUID();
/**
* This adds a UID to the canvas for identification purposes
*/
this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.CreateUID();
/**
* Some example background properties
*/
this.properties =
{
'chart.fillstyle': 'rgba(255,255,255,1)',
'chart.delay': 50,
'chart.events.click': null,
'chart.events.mousemove': null,
'chart.highlight.fill': 'rgba(255,0,0,1.0)',
'chart.tooltips': null,
'chart.tooltips.highlight': true,
'chart.tooltips.event': 'onclick'
}
/**
* A simple check that the browser has canvas support
*/
if (!this.canvas) {
alert('[DRAWING.MARKER3] No canvas support');
return;
}
/**
* These are used to store coords
*/
this.coords = [];
this.coordsText = [];
/**
* Create the dollar object so that functions can be added to them
*/
this.$0 = {};
/**
* Translate half a pixel for antialiasing purposes - but only if it hasn't beeen
* done already
*/
if (!this.canvas.__rgraph_aa_translated__) {
this.context.translate(0.5,0.5);
this.canvas.__rgraph_aa_translated__ = true;
}
// Short variable names
var RG = RGraph,
ca = this.canvas,
co = ca.getContext('2d'),
prop = this.properties,
pa = RG.Path,
pa2 = RG.path2,
win = window,
doc = document,
ma = Math
/**
* "Decorate" the object with the generic effects if the effects library has been included
*/
if (RG.Effects && typeof RG.Effects.decorate === 'function') {
RG.Effects.decorate(this);
}
/**
* A setter method for setting graph properties. It can be used like this: obj.Set('chart.strokestyle', '#666');
*
* @param name string The name of the property to set OR it can be a map
* of name/value settings like what you set in the constructor
*/
this.set =
this.Set = function (name)
{
var value = typeof arguments[1] === 'undefined' ? null : arguments[1];
/**
* the number of arguments is only one and it's an
* object - parse it for configuration data and return.
*/
if (arguments.length === 1 && typeof name === 'object') {
RG.parseObjectStyleConfig(this, name);
return this;
}
/**
* This should be done first - prepend the propertyy name with "chart." if necessary
*/
if (name.substr(0,6) != 'chart.') {
name = 'chart.' + name;
}
// Convert uppercase letters to dot+lower case letter
name = name.replace(/([A-Z])/g, function (str)
{
return '.' + String(RegExp.$1).toLowerCase();
});
prop[name] = value;
return this;
};
/**
* A getter method for retrieving graph properties. It can be used like this: obj.Get('chart.strokestyle');
*
* @param name string The name of the property to get
*/
this.get =
this.Get = function (name)
{
/**
* This should be done first - prepend the property name with "chart." if necessary
*/
if (name.substr(0,6) != 'chart.') {
name = 'chart.' + name;
}
// Convert uppercase letters to dot+lower case letter
name = name.replace(/([A-Z])/g, function (str)
{
return '.' + String(RegExp.$1).toLowerCase()
});
return prop[name.toLowerCase()];
};
/**
* Draws the marker
*/
this.draw =
this.Draw = function ()
{
// Draw a circle to start with
co.globalAlpha = this.alpha;
pa(this, [
'b',
'a', this.centerx, this.centery, this.actualRadius, 0, 2 * Math.PI,false,
'a', this.centerx, this.centery, ma.max(this.actualRadius - 8, 0), 2 * Math.PI,0, true,
'f', prop['chart.fillstyle']]
);
this.alpha = this.actualRadius ? 1 - ( (this.actualRadius * 0.75) / this.radius) : 1;
co.globalAlpha = 1;
if (this.actualRadius < this.radius) {
this.actualRadius += 2;
} else if (this.actualRadius >= this.radius) {
this.actualRadius = 0;
this.alpha = 1;
}
var obj = this;
setTimeout(function ()
{
RG.redrawCanvas(ca);
}, prop['chart.delay']);
/**
* This installs the event listeners
*/
RG.InstallEventListeners(this);
/**
* Fire the onfirstdraw event
*/
if (this.firstDraw) {
RG.fireCustomEvent(this, 'onfirstdraw');
this.firstDraw = false;
this.firstDrawFunc();
}
/**
* Fire the ondraw event
*/
RG.fireCustomEvent(this, 'ondraw');
return this;
};
/**
* Used in chaining. Runs a function there and then - not waiting for
* the events to fire (eg the onbeforedraw event)
*
* @param function func The function to execute
*/
this.exec = function (func)
{
func(this);
return this;
};
/**
* The getObjectByXY() worker method
*/
this.getObjectByXY = function (e)
{
if (this.getShape(e)) {
return this;
}
};
/**
* Not used by the class during creating the shape, but is used by event handlers
* to get the coordinates (if any) of the selected bar
*
* @param object e The event object
*/
this.getShape = function (e)
{
var mouseXY = RGraph.getMouseXY(e);
var mouseX = mouseXY[0];
var mouseY = mouseXY[1];
if (RG.getHypLength(this.centerx, this.centery, mouseXY[0], mouseXY[1]) <= this.radius) {
return {
0: this, 1: this.centerx, 2: this.centery, 3: this.radius, 4: null, 5: 0,
'object': this, 'x': this.centerx, 'y': this.centery, 'radius': this.radius, 'index': 0, 'tooltip': prop['chart.tooltips'] ? prop['chart.tooltips'][0] : null
};
}
return null;
};
/**
* This function positions a tooltip when it is displayed
*
* @param obj object The chart object
* @param int x The X coordinate specified for the tooltip
* @param int y The Y coordinate specified for the tooltip
* @param object tooltip The tooltips DIV element
* @param number idx The index of the tooltip
*/
this.positionTooltip = function (obj, x, y, tooltip, idx)
{
var canvasXY = RG.getCanvasXY(obj.canvas);
var width = tooltip.offsetWidth;
var height = tooltip.offsetHeight;
var radius = this.radius;
// Set the top position
tooltip.style.left = 0;
tooltip.style.top = canvasXY[1] + obj.centery - height - 7 + 'px';
// By default any overflow is hidden
tooltip.style.overflow = '';
// The arrow
var img = new Image();
img.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAFCAYAAACjKgd3AAAARUlEQVQYV2NkQAN79+797+RkhC4M5+/bd47B2dmZEVkBCgcmgcsgbAaA9GA1BCSBbhAuA/AagmwQPgMIGgIzCD0M0AMMAEFVIAa6UQgcAAAAAElFTkSuQmCC';
img.style.position = 'absolute';
img.id = '__rgraph_tooltip_pointer__';
img.style.top = (tooltip.offsetHeight - 2) + 'px';
tooltip.appendChild(img);
// Reposition the tooltip if at the edges:
// LEFT edge
if ((canvasXY[0] + obj.centerx - (width / 2)) < 10) {
tooltip.style.left = (canvasXY[0] + this.centerx - (width * 0.1)) + 'px';
img.style.left = ((width * 0.1) - 8.5) + 'px';
// RIGHT edge
} else if ((canvasXY[0] + obj.centerx + (width / 2)) > doc.body.offsetWidth) {
tooltip.style.left = canvasXY[0] + this.centerx - (width * 0.9) + 'px';
img.style.left = ((width * 0.9) - 8.5) + 'px';
// Default positioning - CENTERED
} else {
tooltip.style.left = (canvasXY[0] + this.centerx - (width * 0.5)) + 'px';
img.style.left = ((width * 0.5) - 8.5) + 'px';
}
};
/**
* Each object type has its own Highlight() function which highlights the appropriate shape
*
* @param object shape The shape to highlight
*/
this.highlight =
this.Highlight = function (shape)
{
if (prop['chart.tooltips.highlight']) {
pa(this, ['b','r',this.coords[0][0],this.coords[0][1],this.coords[0][2],this.coords[0][3],'f',prop['chart.highlight.fill'],'s',prop['chart.highlight.stroke']]);
}
};
/**
* This allows for easy specification of gradients
*/
this.parseColors = function ()
{
// Save the original colors so that they can be restored when the canvas is reset
if (this.original_colors.length === 0) {
this.original_colors['chart.fillstyle'] = RG.array_clone(prop['chart.fillstyle']);
this.original_colors['chart.highlight.fill'] = RG.array_clone(prop['chart.highlight.fill']);
}
/**
* Parse various properties for colors
*/
prop['chart.fillstyle'] = this.parseSingleColorForGradient(prop['chart.fillstyle']);
prop['chart.highlight.fill'] = this.parseSingleColorForGradient(prop['chart.highlight.fill']);
};
/**
* Use this function to reset the object to the post-constructor state. Eg reset colors if
* need be etc
*/
this.reset = function ()
{
};
/**
* This parses a single color value
*/
this.parseSingleColorForGradient = function (color)
{
var canvas = this.canvas;
var context = this.context;
if (!color) {
return color;
}
if (typeof color === 'string' && color.match(/^gradient\((.*)\)$/i)) {
var parts = RegExp.$1.split(':');
// Create the gradient
var grad = co.createRadialGradient(this.centerx, this.centery, 0, this.centerx, this.centery, this.radius);
var diff = 1 / (parts.length - 1);
//grad.addColorStop(0, RG.trim(parts[0]));
for (var j=0; j<parts.length; j+=1) {
grad.addColorStop(j * diff, RG.trim(parts[j]));
}
}
return grad ? grad : color;
};
/**
* Using a function to add events makes it easier to facilitate method chaining
*
* @param string type The type of even to add
* @param function func
*/
this.on = function (type, func)
{
if (type.substr(0,2) !== 'on') {
type = 'on' + type;
}
this[type] = func;
return this;
};
/**
* This function runs once only
* (put at the end of the file (before any effects))
*/
this.firstDrawFunc = function ()
{
};
RG.att(ca);
/**
* Objects are now always registered so that the chart is redrawn if need be.
*/
RG.Register(this);
/**
* the number of arguments is only one and it's an
* object - parse it for configuration data and return.
*/
if (parseConfObjectForOptions) {
RG.parseObjectStyleConfig(this, conf.options);
}
};