// o---------------------------------------------------------------------------------o
// | This file is part of the RGraph package - you can learn more at: |
// | |
// | https://www.rgraph.net/license.html |
// | |
// | RGraph is dual-licensed under the Open Source GPL license. That means that it's |
// | free to use and there are no restrictions on what you can use RGraph for! |
// | If the GPL license does not suit you however, then there's an inexpensive |
// | commercial license option available. See the URL above for more details. |
// o---------------------------------------------------------------------------------o
RGraph = window.RGraph || {isrgraph:true,isRGraph:true,rgraph:true};
//
// The gantt chart constructor
//
RGraph.Gantt = function (conf)
{
var id = conf.id
var canvas = document.getElementById(id);
var data = conf.data;
this.id = id;
this.canvas = canvas;
this.context = this.canvas.getContext ? this.canvas.getContext("2d", {alpha: (typeof id === 'object' && id.alpha === false) ? false : true}) : null;
this.canvas.__object__ = this;
this.type = 'gantt';
this.isRGraph = true;
this.isrgraph = true;
this.rgraph = true;
this.uid = RGraph.createUID();
this.canvas.uid = this.canvas.uid ? this.canvas.uid : RGraph.createUID();
this.data = data;
this.original_data = window.structuredClone(data);
this.colorsParsed = false;
this.coordsText = [];
this.original_colors = [];
this.firstDraw = true; // After the first draw this will be false
this.stopAnimationRequested = false;// Used to control the animations
// Set some defaults
this.properties =
{
backgroundBarsCount: null,
backgroundBarsColor1: 'rgba(0,0,0,0)',
backgroundBarsColor2: 'rgba(0,0,0,0)',
backgroundGrid: true,
backgroundGridLinewidth: 1,
backgroundGridColor: '#ddd',
backgroundGridHsize: 20,
backgroundGridVsize: 20,
backgroundGridHlines: true,
backgroundGridVlines: true,
backgroundGridBorder: true,
backgroundGridAlign: true,
backgroundGridAutofit:true,
backgroundGridAutofitAlign:true,
backgroundGridHlinesCount: null,
backgroundGridVlinesCount: null,
backgroundVbars: [],
backgroundHbars: [],
backgroundBorder: false,
backgroundBorderLinewidth: 1,
backgroundBorderColor: '#aaa',
backgroundBorderDashed: false,
backgroundBorderDotted: false,
backgroundBorderDashArray: null,
textSize: 12,
textFont: 'Arial, Verdana, sans-serif',
textColor: 'black',
textBold: false,
textItalic: false,
textAccessible: false,
textAccessibleOverflow: 'visible',
textAccessiblePointerevents: false,
text: null,
marginLeft: 75,
marginRight: 35,
marginTop: 35,
marginBottom: 35,
marginInner: 2,
labelsInbar: null,
labelsInbarBackground: null,
labelsInbarAlign: 'left',
labelsInbarSize: null,
labelsInbarFont: null,
labelsInbarColor: null,
labelsInbarBold: null,
labelsInbarItalic: null,
labelsInbarAbove: false,
labelsInbarOffsetx: 0,
labelsInbarOffsety: 0,
labelsComplete: true,
labelsCompleteFont: null,
labelsCompleteSize: null,
labelsCompleteColor: null,
labelsCompleteBold: null,
labelsCompleteItalic: null,
labelsCompleteOffsetx: 0,
labelsCompleteOffsety: 0,
title: '',
titleX: null,
titleY: null,
titleBold: null,
titleItalic: null,
titleFont: null,
titleSize: null,
titleColor: null,
titleHalign: null,
titleValign: null,
titleOffsetx: 0,
titleOffsety: 0,
titleSubtitle: '',
titleSubtitleSize: null,
titleSubtitleColor: '#aaa',
titleSubtitleFont: null,
titleSubtitleBold: null,
titleSubtitleItalic: null,
titleSubtitleOffsetx: 0,
titleSubtitleOffsety: 0,
xaxis: false,
xaxisLinewidth: 1,
xaxisColor: 'black',
xaxisTickmarks: true,
xaxisTickmarksLength: 3,
xaxisTickmarksLastLeft: null,
xaxisTickmarksLastRight: null,
xaxisTickmarksCount: null,
xaxisLabels: null,
xaxisLabelsSize: null,
xaxisLabelsFont: null,
xaxisLabelsItalic: null,
xaxisLabelsBold: null,
xaxisLabelsColor: null,
xaxisLabelsOffsetx: 0,
xaxisLabelsOffsety: 0,
xaxisLabelsHalign: null,
xaxisLabelsValign: null,
xaxisLabelsPosition: 'section',
xaxisPosition: 'bottom',
xaxisLabelsAngle: 0,
xaxisTitle: null,
xaxisTitleBold: null,
xaxisTitleSize: null,
xaxisTitleFont: null,
xaxisTitleColor: null,
xaxisTitleItalic: null,
xaxisTitlePos: null,
xaxisTitleOffsetx: 0,
xaxisTitleOffsety: 0,
xaxisTitleX: null,
xaxisTitleY: null,
xaxisTitleHalign: null,
xaxisTitleValign: null,
xaxisScaleMin: 0,
xaxisScaleMax: 0,
yaxis: false,
yaxisColor: 'black',
yaxisLinewidth: 1,
yaxisTickmarks: false,
yaxisTickmarksLength: null,
yaxisTickmarksCount: null,
yaxisTickmarksLastTop: null,
yaxisTickmarksLastBottom: null,
yaxisScale: false,
yaxisLabelsPosition: 'section',
yaxisLabels: null, // This is populated when the chart is first drawn
yaxisLabelsFont: null,
yaxisLabelsSize: null,
yaxisLabelsColor: null,
yaxisLabelsBold: null,
yaxisLabelsItalic: null,
yaxisLabelsOffsety: 0,
yaxisLabelsOffsetx: 0,
yaxisLabelsValign: 'center',
yaxisLabelsHalign: 'right',
yaxisTitle: '',
yaxisTitleBold: null,
yaxisTitleItalic: null,
yaxisTitleFont: null,
yaxisTitleSize: null,
yaxisTitleColor: null,
yaxisTitlePos: null,
yaxisTitleOffsetx: null,
yaxisTitleOffsety: null,
yaxisTitleX: null,
yaxisTitleY: null,
yaxisTitleHalign: null,
yaxisTitleValign: null,
yaxisTitleAccessible: null,
colorsDefault: 'white',
borders: true,
coords: [],
tooltips: null,
tooltipsEffect: 'slide',
tooltipsCssClass: 'RGraph_tooltip',
tooltipsCss: null,
tooltipsHighlight: true,
tooltipsEvent: 'click',
tooltipsPersistent: false,
tooltipsFormattedThousand: ',',
tooltipsFormattedPoint: '.',
tooltipsFormattedDecimals: 0,
tooltipsFormattedUnitsPre: '',
tooltipsFormattedUnitsPost: '',
tooltipsFormattedTableHeaders: null,
tooltipsFormattedTableData: null,
tooltipsPointer: true,
tooltipsPointerOffsetx: 0,
tooltipsPointerOffsety: 0,
tooltipsPositionStatic: true,
tooltipsHotspotIgnore: null,
highlightStroke: 'rgba(0,0,0,0)',
highlightFill: 'rgba(255,255,255,0.7)',
contextmenu: null,
annotatable: false,
annotatableColor: 'black',
annotatableLinewidth: 1,
adjustable: false,
adjustableOnly: null,
corners: 'square',
cornersRoundRadius: 25,
clearto: 'rgba(0,0,0,0)'
}
//
// Add the reverse look-up table for property names
// so that property names can be specified in any case.
//
this.properties_lowercase_map = [];
for (var i in this.properties) {
if (typeof i === 'string') {
this.properties_lowercase_map[i.toLowerCase()] = i;
}
}
//
// Create the dollar objects so that functions can be added to them
//
if (!data) {
alert('[GANTT] The Gantt chart event data is now supplied as the second argument to the constructor - please update your code');
} else {
// Go through the data converting relevant args to numbers
for (var i=0,idx=0; i<data.length; ++i) {
if (typeof data[i].start === 'string') data[i].start = parseFloat(data[i].start);
if (typeof data[i].duration === 'string') data[i].duration = parseFloat(data[i].duration);
if (typeof data[i].complete === 'string') data[i].complete = parseFloat(data[i].complete);
if (typeof data[i].linewidth === 'string') data[i].linewidth = parseFloat(data[i].linewidth);
}
}
// Linearize the data (DON'T use RGraph.arrayLinearize() here)
// Initialise this
this.properties.yaxisLabels = [];
for (var i=0,idx=0; i<data.length; ++i) {
if (RGraph.isArray(this.data[i])) {
for (var j=0; j<this.data[i].length; ++j) {
this.data[i][j].index = j;
this.data[i][j].dataset = i;
this['$' + (idx++)] = this.data[i][j];
// Populate the label property
if (this.data[i][j].label) {
this.properties.yaxisLabels[i] = this.data[i][j].label;
}
}
} else {
this.data[i].index = 0;
this.data[i].dataset = i;
this['$' + (idx++)] = this.data[i];
// Populate the label property
this.properties.yaxisLabels[i] = this.data[i].label;
}
}
// Easy access to properties and the path function
var properties = this.properties;
this.path = RGraph.pathObjectFunction;
//
// "Decorate" the object with the generic effects if the effects library has been included
//
if (RGraph.Effects && typeof RGraph.Effects.decorate === 'function') {
RGraph.Effects.decorate(this);
}
// Add the responsive method. This method resides in the common file.
this.responsive = RGraph.responsive;
//
// A setter
//
this.set = function (name)
{
var value = typeof arguments[1] === 'undefined' ? null : arguments[1];
// Go through all of the properties and make sure
// that they're using the correct capitalisation
if (typeof name === 'string') {
name = this.properties_lowercase_map[name.toLowerCase()] || name;
}
// Set the colorsParsed flag to false if the colors
// property is being set
if (
name === 'backgroundBarsColor1'
|| name === 'backgroundBarsColor2'
|| name === 'backgroundGridColor'
|| name === 'colorsDefault'
|| name === 'highlightStroke'
|| name === 'highlightFill'
) {
this.colorsParsed = false;
}
// the number of arguments is only one and it's an
// object - parse it for configuration data and return.
if (arguments.length === 1 && typeof arguments[0] === 'object') {
for (i in arguments[0]) {
if (typeof i === 'string') {
this.set(i, arguments[0][i]);
}
}
return this;
}
// Fix labelsInBar* name
name = name.replace('labelsInBar','labelsInbar');
// Property name change
if (name === 'labelsInbarBgcolor') {
name = 'labelsInbarBackground';
}
properties[name] = value;
return this;
};
//
// A peudo getter
//
// @param name string The name of the property to get
//
this.get = function (name)
{
// Go through all of the properties and make sure
// that they're using the correct capitalisation
name = this.properties_lowercase_map[name.toLowerCase()] || name;
return properties[name];
};
//
// Draws the chart
//
this.draw = function ()
{
//
// Fire the onbeforedraw event
//
RGraph.fireCustomEvent(this, 'onbeforedraw');
// Translate half a pixel for antialiasing purposes - but only if it hasn't been
// done already
//
// MUST be the first thing done!
//
if (!this.canvas.__rgraph_aa_translated__) {
this.context.translate(0.5,0.5);
this.canvas.__rgraph_aa_translated__ = true;
}
//
// Make the margins easy ro access
//
this.marginLeft = properties.marginLeft;
this.marginRight = properties.marginRight;
this.marginTop = properties.marginTop;
this.marginBottom = properties.marginBottom;
//
// Stop this growing uncntrollably
//
this.coordsText = [];
//
// Parse the colors. This allows for simple gradient syntax
//
if (!this.colorsParsed) {
this.parseColors();
// Don't want to do this again
this.colorsParsed = true;
}
//
// Work out the graphArea
//
this.graphArea = this.canvas.width - this.marginLeft - this.marginRight;
this.graphHeight = this.canvas.height - this.marginTop - this.marginBottom;
this.numEvents = this.data.length
this.barHeight = this.graphHeight / this.numEvents;
this.halfBarHeight = this.barHeight / 2;
// Set the number of horizontal grid lines to the same as that of the
// data items that we have.
if (RGraph.isNullish(properties.backgroundGridHlinesCount)) {
this.set('backgroundGridHlinesCount', this.data.length);
}
//
// Populate the yaxisLabels property from the data. But only do this once
//
properties.yaxisLabelsSpecific = [];
for (var i=0; i<this.data.length; ++i) {
if (typeof this.data[i] === 'object' && typeof this.data[i][0] === 'object') {
properties.yaxisLabelsSpecific.push(this.data[i][0].label);
} else {
properties.yaxisLabelsSpecific.push(this.data[i].label);
}
}
properties.yaxisLabels = properties.yaxisLabelsSpecific;
//
// Install clipping
//
if (!RGraph.isNullish(this.properties.clip)) {
RGraph.clipTo.start(this, this.properties.clip);
}
//
// Draw the background
//
RGraph.Background.draw(this);
//
// Draw the labels at the top
//
this.drawLabels();
//
// Draw the events
//
this.drawEvents();
//
// Setup the context menu if required
//
if (properties.contextmenu) {
RGraph.showContext(this);
}
//
// Add custom text thats specified
//
RGraph.addCustomText(this);
//
// This installs the event listeners
//
RGraph.installEventListeners(this);
//
// End clipping
//
if (!RGraph.isNullish(this.properties.clip)) {
RGraph.clipTo.end();
}
//
// Fire the onfirstdraw event
//
if (this.firstDraw) {
this.firstDraw = false;
RGraph.fireCustomEvent(this, 'onfirstdraw');
this.firstDrawFunc();
}
//
// Fire the RGraph draw event
//
RGraph.fireCustomEvent(this, 'ondraw');
//
// Install any inline responsive configuration. This
// should be last in the draw function - even after
// the draw events.
//
RGraph.installInlineResponsive(this);
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;
};
//
// Draws the labels at the top and the left of the chart
//
this.drawLabels = function ()
{
// Use the RGraph.drawXAxis() function to draw the X axis labels
RGraph.drawXAxis(this);
// Use the RGraph.drawYAxis() function to draw the Y axis labels
RGraph.drawYAxis(this);
};
//
// Draws the events to the canvas
//
this.drawEvents = function ()
{
var events = this.data;
//
// Reset the coords array to prevent it growing
//
this.coords = [];
//
// First draw the vertical bars that have been added
//
if (properties.backgroundVbars) {
for (i=0,len=properties.backgroundVbars.length; i<len; ++i) {
// Boundary checking
if (properties.backgroundVbars[i][0] + properties.backgroundVbars[i][1] > properties.xaxisScaleMax) {
properties.backgroundVbars[i][1] = 364 - properties.backgroundVbars[i][0];
}
var barX = this.marginLeft + (( (properties.backgroundVbars[i][0] - properties.xaxisScaleMin) / (properties.xaxisScaleMax - properties.xaxisScaleMin) ) * this.graphArea),
barY = this.marginTop,
width = (this.graphArea / (properties.xaxisScaleMax - properties.xaxisScaleMin) ) * properties.backgroundVbars[i][1],
height = this.canvas.height - this.marginTop - this.marginBottom;
// Right hand bounds checking
if ( (barX + width) > (this.canvas.width - this.marginRight) ) {
width = this.canvas.width - this.marginRight - barX;
}
this.context.fillStyle = properties.backgroundVbars[i][2];
this.context.fillRect(barX, barY, width, height);
}
}
// Now draw the horizontal bars
if (properties.backgroundHbars) {
for (i=0,len=properties.backgroundHbars.length; i<len; ++i) {
if (properties.backgroundHbars[i]) {
var barX = this.marginLeft,
barY = ((this.canvas.height - this.marginTop - this.marginBottom) / this.data.length) * i + this.marginTop,
width = this.graphArea,
height = this.barHeight
this.context.fillStyle = properties.backgroundHbars[i];
this.context.fillRect(barX, barY, width, height);
}
}
}
// Draw the events
var sequentialIndex = 0;
for (i=0; i<events.length; ++i) {
if (typeof events[i].start === 'number') {
this.drawSingleEvent(
events[i],
i,
sequentialIndex++
);
} else {
for (var j=0; j<events[i].length; ++j) {
var index = j;
this.drawSingleEvent(
events[i][j],
i,
sequentialIndex++,
index
);
}
}
}
};
//
// Retrieves the bar (if any) that has been click on or is hovered over
//
// @param object e The event object
//
this.getShape = function (e)
{
var mouseXY = RGraph.getMouseXY(e),
mouseX = mouseXY[0],
mouseY = mouseXY[1];
//
// Loop through the bars determining if the mouse is over a bar
//
for (var i=0,len=this.coords.length; i<len; i++) {
if (RGraph.tooltipsHotspotIgnore(this, i)) {
continue;
}
var left = this.coords[i][0],
top = this.coords[i][1],
width = this.coords[i][2],
height = this.coords[i][3];
//
// Draw a rect on the chart to test the click but
// don't fill or stroke it.
//
this.rect(
this.context,
left,
top,
width,
height,
{
begin: true,
radius: this.properties.corners === 'round' ? this.properties.cornersRoundRadius : 0
}
);
if (
this.context.isPointInPath(mouseX, mouseY)
&& (this.properties.clip ? RGraph.clipTo.test(this, mouseX, mouseY) : true)
) {
if (RGraph.parseTooltipText && properties.tooltips) {
var tooltip = RGraph.parseTooltipText(properties.tooltips, i);
}
var dataset = this.coords[i][4].dataset;
var index = (this.coords[i][4] && typeof this.coords[i][4].index === 'number' ? this.coords[i][4].index : 0);
var label = this.coords[i][4].label;
var ret = {
object: this,
x: left,
y: top,
width: width,
height: height,
dataset: dataset,
index: index,
sequentialIndex: this.coords[i][5],
label: label,
tooltip: typeof tooltip === 'string' ? tooltip : null
};
return ret;
}
}
};
// Draws a single event
this.drawSingleEvent = function (ev, dataset, sequentialIndex)
{
// Store the indexes on the original data
ev.dataset = dataset;
if (typeof arguments[3] === 'number') {
ev.index = arguments[3]
}
var min = properties.xaxisScaleMin;
this.context.beginPath();
this.context.strokeStyle = 'black';
this.context.fillStyle = ev.color ? ev.color : properties.colorsDefault;
var barStartX = this.marginLeft + (((ev.start - min) / (properties.xaxisScaleMax - min)) * this.graphArea),
barStartY = this.marginTop + (dataset * this.barHeight),
barWidth = (ev.duration / (properties.xaxisScaleMax - min) ) * this.graphArea;
// If the width is greater than the graph atrea, curtail it
if ( (barStartX + barWidth) > (this.canvas.width - this.marginRight) ) {
barWidth = this.canvas.width - this.marginRight - barStartX;
}
// Draw the bar storing the coordinates
this.coords.push([
barStartX,
barStartY + properties.marginInner,
barWidth,
this.barHeight - (2 * properties.marginInner),
ev,
sequentialIndex,
]);
// draw the border around the bar
if (properties.borders || typeof ev.border === 'number') {
this.context.strokeStyle = typeof ev.border === 'string' ? ev.border : 'black';
this.context.lineWidth = (typeof ev.linewidth === 'number' ? ev.linewidth : 1);
if (ev.linewidth !== 0) {
this.rect(
this.context,
barStartX,
barStartY + properties.marginInner,
barWidth,
this.barHeight - (2 * properties.marginInner),
{
stroke: this.context.strokeStyle,
begin: true,
radius: this.properties.corners === 'round' ? this.properties.cornersRoundRadius : 0
}
);
}
}
// Not entirely sure what this does...
if (RGraph.isNullish(ev.complete)) {
this.context.fillStyle = ev.color ? ev.color : properties.colorsDefault;
} else {
this.context.fillStyle = ev.background ? ev.background : properties.colorsDefault;
}
this.rect(
this.context,
barStartX,
barStartY + properties.marginInner,
barWidth,
this.barHeight - (2 * properties.marginInner),
{
fill: this.context.fillStyle,
begin: true,
radius: this.properties.corners === 'round' ? this.properties.cornersRoundRadius : 0
}
);
// Work out the completeage indicator
var complete = (ev.complete / 100) * barWidth;
// Draw the % complete indicator. If it's greater than 0
if (typeof ev.complete === 'number') {
this.context.fillStyle = ev.color ? ev.color : '#0c0';
// Draw the percent complete bar if the complete
// option is given
this.rect(
this.context,
barStartX,
barStartY + properties.marginInner,
(ev.complete / 100) * barWidth,
this.barHeight - (2 * properties.marginInner),
{
fill: this.context.fillStyle,
begin: true,
radius: this.properties.corners === 'round' ? this.properties.cornersRoundRadius : 0
}
);
// Don't necessarily have to draw the label
if (properties.labelsComplete) {
this.context.beginPath();
// Get the text configuration
var textConf = RGraph.getTextConf({
object: this,
prefix: 'labelsComplete'
});
RGraph.text({
object: this,
font: textConf.font,
size: textConf.size,
color: textConf.color,
bold: textConf.bold,
italic: textConf.italic,
x: barStartX + barWidth + 5 + properties.labelsCompleteOffsetx,
y: barStartY + this.halfBarHeight + properties.labelsCompleteOffsety,
text: String(ev.complete) + '%',
valign: 'center',
tag: 'labels.complete'
});
}
}
//
// Draw the inbar label if it's defined
//
if (properties.labelsInbar && properties.labelsInbar[sequentialIndex]) {
var label = String(properties.labelsInbar[sequentialIndex]),
halign = properties.labelsInbarAlign == 'left' ? 'left' : 'center';
halign = properties.labelsInbarAlign == 'right' ? 'right' : halign;
// Work out the position of the text
if (halign == 'right') {
var x = (barStartX + barWidth) - 5;
} else if (halign == 'center') {
var x = barStartX + (barWidth / 2);
} else {
var x = barStartX + 5;
}
// Draw the labels "above" the bar
if (properties.labelsInbarAbove) {
x = barStartX + barWidth + 5;
halign = 'left';
}
// Get the text configuration
var textConf = RGraph.getTextConf({
object: this,
prefix: 'labelsInbar'
});
// Set the color
this.context.fillStyle = properties.labelsInbarColor;
RGraph.text({
object: this,
font: textConf.font,
size: textConf.size,
color: textConf.color,
bold: textConf.bold,
italic: textConf.italic,
x: x + properties.labelsInbarOffsetx,
y: barStartY + this.halfBarHeight + properties.labelsInbarOffsety,
text: label,
valign: 'center',
halign: halign,
bounding: typeof properties.labelsInbarBackground == 'string',
boundingStroke: 'transparent',
boundingFill: typeof properties.labelsInbarBackground === 'string' ? properties.labelsInbarBackground : null,
tag: 'labels.inbar'
});
}
};
//
// Each object type has its own Highlight() function which highlights the appropriate shape
//
// @param object shape The shape to highlight
//
this.highlight = function (shape)
{
// First check for inverted highlighting
if (typeof properties.highlightStyle === 'string' && properties.highlightStyle === 'invert') {
for (var i=0; i<this.coords.length; ++i) {
if (i !== shape.sequentialIndex) {
this.rect(
this.context,
this.coords[i][0] - 0.5,
this.coords[i][1] - 0.5,
this.coords[i][2] + 1,
this.coords[i][3] + 1,
{
fill: this.properties.highlightFill,
stroke: this.properties.highlightStroke,
begin: true,
radius: this.properties.corners === 'round' ? this.properties.cornersRoundRadius : 0
}
);
}
}
return;
}
if (typeof properties.highlightStyle === 'function') {
(properties.highlightStyle)(shape);
} else {
this.rect(
this.context,
shape.x,
shape.y,
shape.width,
shape.height,
{
fill: this.properties.highlightFill,
stroke: this.properties.highlightStroke,
begin: true,
radius: this.properties.corners === 'round' ? this.properties.cornersRoundRadius : 0
}
);
}
};
//
// The getObjectByXY() worker method. Don't call this call:
//
// RGraph.ObjectRegistry.getObjectByXY(e)
//
// @param object e The event object
//
this.getObjectByXY = function (e)
{
var mouseXY = RGraph.getMouseXY(e);
if (
mouseXY[0] > this.marginLeft
&& mouseXY[0] < (this.canvas.width - this.marginRight)
&& mouseXY[1] > this.marginTop
&& mouseXY[1] < (this.canvas.height - this.marginBottom)
) {
return this;
}
};
//
// This method handles the adjusting calculation for when the mouse is moved
//
// @param object e The event object
//
this.adjusting_mousemove = function (e)
{
// Handle adjusting for the Bar
if (properties.adjustable && RGraph.Registry.get('adjusting') && RGraph.Registry.get('adjusting').uid == this.uid) {
var bar = RGraph.Registry.get('adjusting.gantt');
if (bar) {
var mouseXY = RGraph.getMouseXY(e),
obj = bar.object,
dataset = bar.dataset,
index = bar.index,
diff = ((mouseXY[0] - bar.mousex) / (obj.canvas.width - obj.marginLeft - obj.marginRight)) * properties.xaxisScaleMax,
eventStart = bar.event_start || 0,
duration = bar.event_duration,
event = typeof obj.data[dataset][index] === 'object' ? obj.data[dataset][index] : obj.data[dataset]
if (bar['mode'] === 'move') {
diff = Math.round(diff);
// Single event
if (!RGraph.isArray(obj.data[dataset])) {
event.start = eventStart + diff;
if (eventStart + diff < 0) {
obj.data[dataset].start = 0;
} else if ((eventStart + diff + obj.data[dataset].duration) > properties.xaxisScaleMax) {
obj.data[dataset].start = properties.xaxisScaleMax - obj.data[dataset].duration;
}
// Multiple events
} else {
var dataset = bar.dataset,
index = typeof bar.index === 'number' ? bar.index : 0,
event = obj.data[dataset][index];
event.start = eventStart + diff;
if ( (eventStart + diff) < 0) {
event.start = 0;
} else if ( (eventStart + diff + event.duration) > properties.xaxisScaleMax ) {
event.start = properties.xaxisScaleMax - event.duration;
}
}
} else if (bar.mode == 'resize') {
//
// Account for the right hand gutter. Appears to be a FF bug
//
if (mouseXY[0] > (obj.canvas.width - obj.marginRight)) {
mouseXY[0] = obj.canvas.width - obj.marginRight;
}
var diff = ((mouseXY[0] - RGraph.Registry.get('adjusting.gantt')['mousex']) / (obj.canvas.width - obj.marginLeft - obj.marginRight)) * properties.xaxisScaleMax;
diff = Math.round(diff);
// Single event
if (!RGraph.isArray(obj.data[dataset])) {
obj.data[dataset].duration = duration + diff;
if (obj.data[dataset].duration < 0) {
obj.data[dataset].duration = 1;
}
// Multiple events
} else {
obj.data[dataset][index].duration = duration + diff;
if (obj.data[dataset][index].duration <= 0) {
obj.data[dataset][index].duration = 1;
}
}
}
RGraph.resetColorsToOriginalValues(obj);
//RGraph.clear(obj.canvas);
RGraph.redrawCanvas(obj.canvas);
RGraph.fireCustomEvent(obj, 'onadjust');
}
}
};
//
// Returns the X coordinate for the given value
//
// @param number value The desired value (eg minute/hour/day etc)
//
this.getXCoord = function (value)
{
var min = properties.xaxisScaleMin,
max = properties.xaxisScaleMax,
graphArea = this.canvas.width - this.marginLeft - this.marginRight;
if (value > max || value < min) {
return null;
}
var x = (((value - min) / (max - min)) * graphArea) + this.marginLeft;
return x;
};
//
// Returns the value given EITHER the event object OR a two element array containing the X/Y coords
//
this.getValue = function (arg)
{
if (arg.length == 2) {
var mouseXY = arg; // Two coords given
} else {
var mouseXY = RGraph.getMouseXY(arg); // event given
}
var mouseX = mouseXY[0],
mouseY = mouseXY[1];
var value = (mouseX - this.marginLeft) / (this.canvas.width - this.marginLeft - this.marginRight);
value *= (properties.xaxisScaleMax - properties.xaxisScaleMin);
// Bounds checking
if (value < properties.xaxisScaleMin || value > properties.xaxisScaleMax) {
value = null;
}
return value;
};
//
// This allows for easy specification of gradients. Could optimise this not to repeatedly call parseSingleColors()
//
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.data = window.structuredClone(this.data);
this.original_colors.backgroundBarsColor1 = RGraph.arrayClone(properties.backgroundBarsColor1);
this.original_colors.backgroundBarsColor2 = RGraph.arrayClone(properties.backgroundBarsColor2);
this.original_colors.backgroundGridColor = RGraph.arrayClone(properties.backgroundGridColor);
this.original_colors.colorsDefault = RGraph.arrayClone(properties.colorsDefault);
this.original_colors.highlightStroke = RGraph.arrayClone(properties.highlightStroke);
this.original_colors.highlightFill = RGraph.arrayClone(properties.highlightFill);
}
//
// this.coords can be used here as gradients are only parsed on the SECOND draw - not the first.
// A .redraw() is downe at the end of the first draw.
//
for (var i=0,sequentialIndex=0; i<this.data.length; ++i) {
// Multiple events
if ( RGraph.isArray(this.data[i])
&& typeof this.data[i][0] === 'object'
&& typeof this.data[i][0].start === 'number'
) {
for (var j=0,len=this.data[i].length; j<len; j+=1,sequentialIndex+=1) {
this.data[i][j].background = this.parseSingleColorForGradient(
this.data[i][j].background,
{start: this.data[i][j].start, duration: this.data[i][j].duration}
);
this.data[i][j].color = this.parseSingleColorForGradient(
this.data[i][j].color,
{start: this.data[i][j].start, duration: this.data[i][j].duration}
);
}
// Single event
} else {
if (typeof this.data[i].background === 'string') {
this.data[i].background = this.parseSingleColorForGradient(
this.data[i].background,
{start: this.data[i].start, duration: this.data[i].duration}
);
}
if (typeof this.data[i].color === 'string') {
this.data[i].color = this.parseSingleColorForGradient(
this.data[i].color,
{start: this.data[i].start, duration: this.data[i].duration}
);
}
++sequentialIndex;
}
}
properties.backgroundBarsColor1 = this.parseSingleColorForGradient(properties.backgroundBarsColor1);
properties.backgroundBarsColor2 = this.parseSingleColorForGradient(properties.backgroundBarsColor2);
properties.backgroundGridColor = this.parseSingleColorForGradient(properties.backgroundGridColor);
properties.backgroundColor = this.parseSingleColorForGradient(properties.backgroundColor);
properties.colorsDefault = this.parseSingleColorForGradient(properties.colorsDefault);
properties.highlightStroke = this.parseSingleColorForGradient(properties.highlightStroke);
properties.highlightFill = this.parseSingleColorForGradient(properties.highlightFill);
};
//
// 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
//
// @param string color The color to parse
//
this.parseSingleColorForGradient = function (color)
{
var opts = arguments[1] || {};
if (!color || typeof color != 'string') {
return color;
}
if (color.match(/^gradient\((.*)\)$/i)) {
// Allow for JSON gradients
if (color.match(/^gradient\(({.*})\)$/i)) {
return RGraph.parseJSONGradient({object: this, def: RegExp.$1});
}
var parts = RegExp.$1.split(':'),
value = (opts.start + opts.duration) > properties.xaxisScaleMax ? properties.xaxisScaleMax : (opts.start + opts.duration);
// Create the gradient
var grad = this.context.createLinearGradient(
typeof opts.start === 'number' ? this.getXCoord(opts.start) : this.marginLeft,
0,
typeof opts.start === 'number' ? this.getXCoord(value) : this.canvas.width - this.marginRight,
0
);
var diff = 1 / (parts.length - 1);
grad.addColorStop(0, RGraph.trim(parts[0]));
for (var j=1; j<parts.length; ++j) {
grad.addColorStop(j * diff, RGraph.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;
}
if (typeof this[type] !== 'function') {
this[type] = func;
} else {
RGraph.addCustomEventListener(this, type, func);
}
return this;
};
//
// This function runs once only
// (put at the end of the file (before any effects))
//
this.firstDrawFunc = function ()
{
};
//
// Gantt chart Grow effect
//
// @param object obj Options for the grow effect
// @param function Optional callback (a function)
//
this.grow = function ()
{
// Cancel any stop request if one is pending
this.cancelStopAnimation();
// Reset the data to the original
this.data = window.structuredClone(this.original_data);
var obj = this,
opt = arguments[0] || {},
callback = arguments[1] ? arguments[1] : function () {},
canvas = obj.canvas,
context = obj.context,
numFrames = opt.frames || 30,
frame = 0;
original_events = window.structuredClone(obj.data);
function iterator ()
{
if (obj.stopAnimationRequested) {
// Reset the flag
obj.stopAnimationRequested = false;
return;
}
RGraph.clear(obj.canvas);
RGraph.redrawCanvas(obj.canvas);
if (frame <= numFrames) {
// Update the events
for (var i=0,len=obj.data.length; i<len; ++i) {
if (typeof obj.data[i] === 'object' && obj.data[i][0] && typeof obj.data[i][0] === 'object') {
for (var j=0; j<obj.data[i].length; ++j) {
obj.data[i][j].duration = (frame / numFrames) * original_events[i][j].duration;
}
} else {
obj.data[i].duration = (frame / numFrames) * original_events[i].duration;
}
}
obj.reset();
frame++;
RGraph.Effects.updateCanvas(iterator);
} else {
callback(obj);
}
}
iterator();
return this;
};
//
// Couple of functions that allow you to control the
// animation effect
//
this.stopAnimation = function ()
{
this.stopAnimationRequested = true;
};
this.cancelStopAnimation = function ()
{
this.stopAnimationRequested = false;
};
//
// This helps the Gantt reset colors when the reset function is called.
// It handles going through the data and resetting the colors.
//
this.resetColorsToOriginalValues = function ()
{
//
// Copy the original colors over for single-event-per-line data
//
for (var i=0; i<this.original_colors.data.length; ++i) {
if (this.original_colors.data[i].background) {
this.data[i].background =
this.original_colors.data[i].background
? RGraph.arrayClone(this.original_colors.data[i].background)
: null;
}
if (this.original_colors.data[i].color) {
this.data[i].color = RGraph.arrayClone(this.original_colors.data[i].color);
}
if (typeof this.original_colors.data[i][0] === 'object' && typeof this.original_colors.data[i][0].start === 'number') {
for (var j=0,len2=this.original_colors.data[i].length; j<len2; ++j) {
this.data[i][j].background = RGraph.arrayClone(this.original_colors.data[i][j].background);
this.data[i][j].color = RGraph.arrayClone(this.original_colors.data[i][j].color);
}
}
}
};
//
// This function resets the object - clearing it of any previously gathered info
//
this.reset = function ()
{
this.resetColorsToOriginalValues();
this.colorsParsed = false;
this.coordsText = [];
this.original_colors = [];
this.firstDraw = true;
this.coords = [];
};
// An unused function
this.sequentialIndex2Grouped=function(){alert('[RGRAPH] Something went badly wrong - contact support');};
// Determines whether the Gant is adjustable or not
this.isAdjustable = function (shape)
{
if (RGraph.isNullish(properties.adjustableOnly)) {
return true;
} else if (RGraph.isArray(properties.adjustableOnly) && shape && properties.adjustableOnly[shape.sequentialIndex]) {
return true;
}
return false;
};
//
// A worker function that handles Bar chart specific tooltip substitutions
//
this.tooltipSubstitutions = function (opt)
{
var event = this['$' + opt.index];
var value = {
start: event.start,
duration: event.duration,
complete: event.complete
};
//
// Return the values to the user
//
return {
index: event.index,
dataset: event.dataset,
sequentialIndex: opt.index,
value: value
};
};
//
// A worker function that returns the correct color/label/value
//
// @param object specific The indexes that are applicable
// @param number index The appropriate index
//
this.tooltipsFormattedCustom = function (specific, index)
{
return {
//label:,
//color:,
//value:
};
};
//
// This allows for static tooltip positioning
//
this.positionTooltipStatic = function (args)
{
var obj = args.object,
e = args.event,
tooltip = args.tooltip,
index = args.index,
canvasXY = RGraph.getCanvasXY(obj.canvas)
coords = this.coords[args.index];
// Position the tooltip in the X direction
args.tooltip.style.left = (
canvasXY[0] // The X coordinate of the canvas
+ coords[0] // The X coordinate of the point on the chart
+ (coords[2] / 2) // Add half of the width of the bar
- (tooltip.offsetWidth / 2) // Subtract half of the tooltip width
+ obj.properties.tooltipsOffsetx // Add any user defined offset
) + 'px';
args.tooltip.style.top = (
canvasXY[1] // The Y coordinate of the canvas
+ coords[1] // The Y coordinate of the bar on the chart
- tooltip.offsetHeight // The height of the tooltip
- 10 // An arbitrary amount
+ obj.properties.tooltipsOffsety // Add any user defined offset
) + 'px';
// If the top of the tooltip is off the top of the page
// then move the tooltip down
if(parseFloat(args.tooltip.style.top) < 0) {
args.tooltip.style.top = parseFloat(args.tooltip.style.top) + (coords[3] / 2) + 5 + 'px';
}
};
//
// This function draws a single bar on the chart
// accounting for whether the rects should be rounded
// or not.
//
// @param x number The X coordinate of the rectangle
// @param y number The Y coordinate of the rectangle
// @param width number The width of the rectangle
// @param height number The height of the rectangle
// @param object opt Various options including:
// begin bool Whether a beginPath
// is performed
// radius int The extent of the
// rounding. Set to 0 if
// rounded corners are
// not desired
// stroke mixed The color of the
// stroke. If left null
// there is no stroke.
// fill mixed The color of the
// fill. If left null
// there is no fill
//
this.rect = function (context, x, y, width, height, opt = {})
{
var context = this.context;
if (opt.begin) {
context.beginPath();
}
if (RGraph.isNumber(opt.radius) && opt.radius > 0) {
context.roundRect(x, y, width, height, opt.radius);
} else {
context.rect(x, y, width, height);
}
if (opt.stroke) {
context.strokeStyle = opt.stroke;
context.stroke();
}
if (opt.fill) {
context.fillStyle = opt.fill;
context.fill();
}
};
//
// This function handles clipping to scale values. Because
// each chart handles scales differently, a worker function
// is needed instead of it all being done centrally in the
// RGraph.clipTo.start() function.
//
// @param string clip The clip string as supplied by the
// user in the chart configuration
//
this.clipToScaleWorker = function (clip)
{
// The Regular expression is actually done by the
// calling RGraph.clipTo.start() function in the core
// library
if (RegExp.$1 === 'min') from = 0; else from = Number(RegExp.$1);
if (RegExp.$2 === 'max') to = this.properties.xaxisScaleMax; else to = Number(RegExp.$2);
var x = this.marginLeft + (((from - properties.xaxisScaleMin) / (properties.xaxisScaleMax - properties.xaxisScaleMin)) * this.graphArea)
width = ((to-from) / (properties.xaxisScaleMax - properties.xaxisScaleMin) ) * this.graphArea;
// Change the X if the number is "min"
if (RegExp.$1 === 'min') {
x = 0;
width += this.properties.marginLeft;
}
// Change the width if the number is "max"
if (RegExp.$2 === 'max') {
width = this.canvas.width - x;
}
this.path(
'sa b r % % % % cl',
x, 0, width, this.canvas.height
);
};
//
// This function handles TESTING clipping to scale values.
// Because each chart handles scales differently, a worker
// function is needed instead of it all being done
// centrally in the RGraph.clipTo.start() function.
//
// @param string clip The clip string as supplied by the
// user in the chart configuration
//
this.clipToScaleTestWorker = function (clip)
{
// The Regular expression is actually done by the
// calling RGraph.clipTo.start() function in the core
// library
if (RegExp.$1 === 'min') from = 0; else from = Number(RegExp.$1);
if (RegExp.$2 === 'max') to = this.properties.xaxisScaleMax; else to = Number(RegExp.$2);
var x = this.marginLeft + (((from - properties.xaxisScaleMin) / (properties.xaxisScaleMax - properties.xaxisScaleMin)) * this.graphArea)
width = ((to-from) / (properties.xaxisScaleMax - properties.xaxisScaleMin) ) * this.graphArea;
// Change the X if the number is "min"
if (RegExp.$1 === 'min') {
x = 0;
width += this.properties.marginLeft;
}
// Change the width if the number is "max"
if (RegExp.$2 === 'max') {
width = this.canvas.width - x;
}
this.path(
'b r % % % %',
x, 0, width, this.canvas.height
);
};
//
// Register the object
//
RGraph.register(this);
//
// This is the 'end' of the constructor so if the first argument
// contains configuration data - handle that.
//
RGraph.parseObjectStyleConfig(this, conf.options);
};