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jquery.flowchart.js
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$(function () {
// the widget definition, where "custom" is the namespace,
// "colorize" the widget name
$.widget("flowchart.flowchart", {
// default options
options: {
canUserEditLinks: true,
canUserMoveOperators: true,
data: {},
distanceFromArrow: 3,
defaultOperatorClass: 'flowchart-default-operator',
defaultLinkColor: '#3366ff',
defaultSelectedLinkColor: 'black',
linkWidth: 10,
grid: 20,
multipleLinksOnOutput: false,
multipleLinksOnInput: false,
linkVerticalDecal: 0,
onOperatorSelect: function (operatorId) {
return true;
},
onOperatorUnselect: function () {
return true;
},
onLinkSelect: function (linkId) {
return true;
},
onLinkUnselect: function () {
return true;
},
onOperatorCreate: function (operatorId, operatorData, fullElement) {
return true;
},
onLinkCreate: function (linkId, linkData) {
return true;
},
onOperatorDelete: function (operatorId) {
return true;
},
onLinkDelete: function (linkId, forced) {
return true;
},
onOperatorMoved: function (operatorId, position) {
},
onAfterChange: function (changeType) {
}
},
data: null,
objs: null,
maskNum: 0,
linkNum: 0,
operatorNum: 0,
lastOutputConnectorClicked: null,
selectedOperatorId: null,
selectedLinkId: null,
positionRatio: 1,
globalId: null,
// the constructor
_create: function () {
if (typeof document.__flowchartNumber == 'undefined') {
document.__flowchartNumber = 0;
} else {
document.__flowchartNumber++;
}
this.globalId = document.__flowchartNumber;
this._unitVariables();
this.element.addClass('flowchart-container');
this.objs.layers.links = $('<svg class="flowchart-links-layer"></svg>');
this.objs.layers.links.appendTo(this.element);
this.objs.layers.operators = $('<div class="flowchart-operators-layer unselectable"></div>');
this.objs.layers.operators.appendTo(this.element);
this.objs.layers.temporaryLink = $('<svg class="flowchart-temporary-link-layer"></svg>');
this.objs.layers.temporaryLink.appendTo(this.element);
var shape = document.createElementNS("http://www.w3.org/2000/svg", "line");
shape.setAttribute("x1", "0");
shape.setAttribute("y1", "0");
shape.setAttribute("x2", "0");
shape.setAttribute("y2", "0");
shape.setAttribute("stroke-dasharray", "6,6");
shape.setAttribute("stroke-width", "4");
shape.setAttribute("stroke", "black");
shape.setAttribute("fill", "none");
this.objs.layers.temporaryLink[0].appendChild(shape);
this.objs.temporaryLink = shape;
this._initEvents();
if (typeof this.options.data != 'undefined') {
this.setData(this.options.data);
}
},
_unitVariables: function () {
this.data = {
operators: {},
links: {},
linkRestrictions: {}
};
this.objs = {
layers: {
operators: null,
temporaryLink: null,
links: null
},
linksContext: null,
temporaryLink: null
};
},
_initEvents: function () {
var self = this;
this.element.mousemove(function (e) {
var $this = $(this);
var offset = $this.offset();
self._mousemove((e.pageX - offset.left) / self.positionRatio, (e.pageY - offset.top) / self.positionRatio, e);
});
this.element.click(function (e) {
var $this = $(this);
var offset = $this.offset();
self._click((e.pageX - offset.left) / self.positionRatio, (e.pageY - offset.top) / self.positionRatio, e);
});
this.objs.layers.operators.on('touchdown mousedown touchstart', '.flowchart-operator', function (e) {
e.stopImmediatePropagation();
});
this.objs.layers.operators.on('click', '.flowchart-operator', function (e) {
if ($(e.target).closest('.flowchart-operator-connector').length == 0) {
self.selectOperator($(this).data('operator_id'));
}
});
this.objs.layers.operators.on('click', '.flowchart-operator-connector', function () {
var $this = $(this);
if (self.options.canUserEditLinks) {
self._connectorClicked($this.closest('.flowchart-operator').data('operator_id'), $this.data('connector'), $this.data('sub_connector'), $this.closest('.flowchart-operator-connector-set').data('connector_type'));
}
});
this.objs.layers.links.on('mousedown touchstart', '.flowchart-link', function (e) {
e.stopImmediatePropagation();
});
this.objs.layers.links.on('mouseover', '.flowchart-link', function () {
self._connecterMouseOver($(this).data('link_id'));
});
this.objs.layers.links.on('mouseout', '.flowchart-link', function () {
self._connecterMouseOut($(this).data('link_id'));
});
this.objs.layers.links.on('click', '.flowchart-link', function () {
self.selectLink($(this).data('link_id'));
});
},
setData: function (data) {
this._clearOperatorsLayer();
this.data.operatorTypes = {};
if (typeof data.operatorTypes != 'undefined') {
this.data.operatorTypes = data.operatorTypes;
}
this.data.linkRestrictions = [];
if(typeof data.linkRestrictions != 'undefined' && data.linkRestrictions.length>0) {
this.data.linkRestrictions = data.linkRestrictions;
}
this.data.operators = {};
for (var operatorId in data.operators) {
if (data.operators.hasOwnProperty(operatorId)) {
this.createOperator(operatorId, data.operators[operatorId]);
}
}
this.data.links = {};
for (var linkId in data.links) {
if (data.links.hasOwnProperty(linkId)) {
this.createLink(linkId, data.links[linkId]);
}
}
this.redrawLinksLayer();
},
addLink: function (linkData) {
while (typeof this.data.links[this.linkNum] != 'undefined') {
this.linkNum++;
}
this.createLink(this.linkNum, linkData);
return this.linkNum;
},
createLink: function (linkId, linkDataOriginal) {
var linkData = $.extend(true, {}, linkDataOriginal);
if (!this.callbackEvent('linkCreate', [linkId, linkData])) {
return;
}
var restrictionLinkIndex = this._indexOfLinkGranted(linkData);
if(restrictionLinkIndex == -1) {
return;
}
var subConnectors = this._getSubConnectors(linkData);
var fromSubConnector = subConnectors[0];
var toSubConnector = subConnectors[1];
var multipleLinksOnOutput = this.options.multipleLinksOnOutput;
var multipleLinksOnInput = this.options.multipleLinksOnInput;
if (!multipleLinksOnOutput || !multipleLinksOnInput) {
for (var linkId2 in this.data.links) {
if (this.data.links.hasOwnProperty(linkId2)) {
var currentLink = this.data.links[linkId2];
var currentSubConnectors = this._getSubConnectors(currentLink);
var currentFromSubConnector = currentSubConnectors[0];
var currentToSubConnector = currentSubConnectors[1];
if (!multipleLinksOnOutput && currentLink.fromOperator == linkData.fromOperator && currentLink.fromConnector == linkData.fromConnector && currentFromSubConnector == fromSubConnector) {
this.deleteLink(linkId2);
continue;
}
if (!multipleLinksOnInput && currentLink.toOperator == linkData.toOperator && currentLink.toConnector == linkData.toConnector && currentToSubConnector == toSubConnector) {
this.deleteLink(linkId2);
}
}
}
}
this._autoCreateSubConnector(linkData.fromOperator, linkData.fromConnector, 'outputs', fromSubConnector);
this._autoCreateSubConnector(linkData.toOperator, linkData.toConnector, 'inputs', toSubConnector);
//try to colorize link with restriction link data
if(restrictionLinkIndex!=null) {
var restriction = this.data.linkRestrictions[restrictionLinkIndex];
if(typeof restriction.color != 'undefined') {
linkData.color = restriction.color;
}
}
this.data.links[linkId] = linkData;
this._drawLink(linkId)
this.callbackEvent('afterChange', ['link_create']);
},
/** Search into this.data.linkRestrictions if the given link is granted
* Return null if linkRestrictions is disabled (empty array)
* Return -1 if the link is forbidden, and the index into the link restriction array otherwise
*/
_indexOfLinkGranted: function(linkData) {
if(this.data.linkRestrictions.length == 0) {
return null;
}
var linkRestrictions = this.data.linkRestrictions;
for(var i=0; i<linkRestrictions.length; i++) {
var restriction = linkRestrictions[i];
var fromOperatorType = this.data.operators[linkData.fromOperator].type;
var toOperatorType = this.data.operators[linkData.toOperator].type;
if(restriction.fromOperatorType==fromOperatorType
&& restriction.fromConnector==linkData.fromConnector
&& restriction.toOperatorType==toOperatorType
&& restriction.toConnector==linkData.toConnector) {
return i;
}
}
return -1;
},
_autoCreateSubConnector: function (operator, connector, connectorType, subConnector) {
var connectorInfos = this.data.operators[operator].properties[connectorType][connector];
if (connectorInfos.multiple) {
var fromFullElement = this.data.operators[operator].internal.els;
var nbFromConnectors = this.data.operators[operator].internal.els.connectors[connector].length;
for (var i = nbFromConnectors; i < subConnector + 2; i++) {
this._createSubConnector(connector, connectorInfos, fromFullElement, connectorType);
}
}
},
redrawLinksLayer: function () {
this._clearLinksLayer();
for (var linkId in this.data.links) {
if (this.data.links.hasOwnProperty(linkId)) {
this._drawLink(linkId);
}
}
},
_clearLinksLayer: function () {
this.objs.layers.links.empty();
this.objs.layers.operators.find('.flowchart-operator-connector-small-arrow').css('border-left-color', 'transparent');
},
_clearOperatorsLayer: function () {
this.objs.layers.operators.empty();
},
getConnectorPosition: function (operatorId, connectorId, subConnector, connectorType) {
var operatorData = this.data.operators[operatorId];
var $connector = operatorData.internal.els[connectorType].connectorArrows[connectorId][subConnector];
var connectorOffset = $connector.offset();
var elementOffset = this.element.offset();
var x = (connectorOffset.left - elementOffset.left) / this.positionRatio;
var width = parseInt($connector.css('border-top-width'));
var y = (connectorOffset.top - elementOffset.top - 1) / this.positionRatio + parseInt($connector.css('border-left-width'));
return {x: x, width: width, y: y};
},
getLinkMainColor: function (linkId) {
var color = this.options.defaultLinkColor;
var linkData = this.data.links[linkId];
if (typeof linkData.color != 'undefined') {
color = linkData.color;
}
return color;
},
setLinkMainColor: function (linkId, color) {
this.data.links[linkId].color = color;
this.callbackEvent('afterChange', ['link_change_main_color']);
},
_drawLink: function (linkId) {
var linkData = this.data.links[linkId];
if (typeof linkData.internal == 'undefined') {
linkData.internal = {};
}
linkData.internal.els = {};
var fromOperatorId = linkData.fromOperator;
var fromConnectorId = linkData.fromConnector;
var toOperatorId = linkData.toOperator;
var toConnectorId = linkData.toConnector;
var subConnectors = this._getSubConnectors(linkData);
var fromSubConnector = subConnectors[0];
var toSubConnector = subConnectors[1];
var color = this.getLinkMainColor(linkId);
var fromOperator = this.data.operators[fromOperatorId];
var toOperator = this.data.operators[toOperatorId];
var fromSmallConnector = fromOperator.internal.els.outputs.connectorSmallArrows[fromConnectorId][fromSubConnector];
var toSmallConnector = toOperator.internal.els.inputs.connectorSmallArrows[toConnectorId][toSubConnector];
linkData.internal.els.fromSmallConnector = fromSmallConnector;
linkData.internal.els.toSmallConnector = toSmallConnector;
var overallGroup = document.createElementNS("http://www.w3.org/2000/svg", "g");
this.objs.layers.links[0].appendChild(overallGroup);
linkData.internal.els.overallGroup = overallGroup;
var mask = document.createElementNS("http://www.w3.org/2000/svg", "mask");
var maskId = "fc_mask_" + this.globalId + "_" + this.maskNum;
this.maskNum++;
mask.setAttribute("id", maskId);
overallGroup.appendChild(mask);
var shape = document.createElementNS("http://www.w3.org/2000/svg", "rect");
shape.setAttribute("x", "0");
shape.setAttribute("y", "0");
shape.setAttribute("width", "100%");
shape.setAttribute("height", "100%");
shape.setAttribute("stroke", "none");
shape.setAttribute("fill", "white");
mask.appendChild(shape);
var shape_polygon = document.createElementNS("http://www.w3.org/2000/svg", "polygon");
shape_polygon.setAttribute("stroke", "none");
shape_polygon.setAttribute("fill", "black");
mask.appendChild(shape_polygon);
linkData.internal.els.mask = shape_polygon;
var group = document.createElementNS("http://www.w3.org/2000/svg", "g");
group.setAttribute('class', 'flowchart-link');
group.setAttribute('data-link_id', linkId);
overallGroup.appendChild(group);
var shape_path = document.createElementNS("http://www.w3.org/2000/svg", "path");
shape_path.setAttribute("stroke-width", this.options.linkWidth.toString());
shape_path.setAttribute("fill", "none");
group.appendChild(shape_path);
linkData.internal.els.path = shape_path;
var shape_rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
shape_rect.setAttribute("stroke", "none");
shape_rect.setAttribute("mask", "url(#" + maskId + ")");
group.appendChild(shape_rect);
linkData.internal.els.rect = shape_rect;
this._refreshLinkPositions(linkId);
this.uncolorizeLink(linkId);
},
_getSubConnectors: function (linkData) {
var fromSubConnector = 0;
if (typeof linkData.fromSubConnector != 'undefined') {
fromSubConnector = linkData.fromSubConnector;
}
var toSubConnector = 0;
if (typeof linkData.toSubConnector != 'undefined') {
toSubConnector = linkData.toSubConnector;
}
return [fromSubConnector, toSubConnector];
},
_refreshLinkPositions: function (linkId) {
var linkData = this.data.links[linkId];
var subConnectors = this._getSubConnectors(linkData);
var fromSubConnector = subConnectors[0];
var toSubConnector = subConnectors[1];
var fromPosition = this.getConnectorPosition(linkData.fromOperator, linkData.fromConnector, fromSubConnector, 'outputs');
var toPosition = this.getConnectorPosition(linkData.toOperator, linkData.toConnector, toSubConnector, 'inputs');
var fromX = fromPosition.x;
var offsetFromX = fromPosition.width;
var fromY = fromPosition.y;
var toX = toPosition.x;
var toY = toPosition.y;
fromY += this.options.linkVerticalDecal;
toY += this.options.linkVerticalDecal;
var distanceFromArrow = this.options.distanceFromArrow;
linkData.internal.els.mask.setAttribute("points", fromX + ',' + (fromY - offsetFromX - distanceFromArrow) + ' ' + (fromX + offsetFromX + distanceFromArrow) + ',' + fromY + ' ' + fromX + ',' + (fromY + offsetFromX + distanceFromArrow));
var bezierFromX = (fromX + offsetFromX + distanceFromArrow);
var bezierToX = toX + 1;
var bezierIntensity = Math.min(100, Math.max(Math.abs(bezierFromX - bezierToX) / 2, Math.abs(fromY - toY)));
linkData.internal.els.path.setAttribute("d", 'M' + bezierFromX + ',' + (fromY) + ' C' + (fromX + offsetFromX + distanceFromArrow + bezierIntensity) + ',' + fromY + ' ' + (toX - bezierIntensity) + ',' + toY + ' ' + bezierToX + ',' + toY);
linkData.internal.els.rect.setAttribute("x", fromX);
linkData.internal.els.rect.setAttribute("y", fromY - this.options.linkWidth / 2);
linkData.internal.els.rect.setAttribute("width", offsetFromX + distanceFromArrow + 1);
linkData.internal.els.rect.setAttribute("height", this.options.linkWidth);
},
getOperatorCompleteData: function (operatorData) {
if (typeof operatorData.internal == 'undefined') {
operatorData.internal = {};
}
this._refreshInternalProperties(operatorData);
var infos = $.extend(true, {}, operatorData.internal.properties);
for (var connectorId_i in infos.inputs) {
if (infos.inputs.hasOwnProperty(connectorId_i)) {
if (infos.inputs[connectorId_i] == null) {
delete infos.inputs[connectorId_i];
}
}
}
for (var connectorId_o in infos.outputs) {
if (infos.outputs.hasOwnProperty(connectorId_o)) {
if (infos.outputs[connectorId_o] == null) {
delete infos.outputs[connectorId_o];
}
}
}
if (typeof infos.class == 'undefined') {
infos.class = this.options.defaultOperatorClass;
}
return infos;
},
_getOperatorFullElement: function (operatorData) {
var infos = this.getOperatorCompleteData(operatorData);
var $operator = $('<div class="flowchart-operator"></div>');
$operator.addClass(infos.class);
var $operator_title = $('<div class="flowchart-operator-title"></div>');
$operator_title.html(infos.title);
$operator_title.appendTo($operator);
var $operator_inputs_outputs = $('<div class="flowchart-operator-inputs-outputs"></div>');
$operator_inputs_outputs.appendTo($operator);
var $operator_inputs = $('<div class="flowchart-operator-inputs"></div>');
$operator_inputs.appendTo($operator_inputs_outputs);
var $operator_outputs = $('<div class="flowchart-operator-outputs"></div>');
$operator_outputs.appendTo($operator_inputs_outputs);
var self = this;
var fullElement = {
operator: $operator,
title: $operator_title,
inputs: {
connectorSets: {},
connectors: {},
connectorArrows: {},
connectorSmallArrows: {}
},
outputs: {
connectorSets: {},
connectors: {},
connectorArrows: {},
connectorSmallArrows: {}
}
};
function addConnector(connectorKey, connectorInfos, $operator_container, connectorType) {
var $operator_connector_set = $('<div class="flowchart-operator-connector-set"></div>');
$operator_connector_set.data('connector_type', connectorType);
$operator_connector_set.appendTo($operator_container);
fullElement[connectorType].connectorArrows[connectorKey] = [];
fullElement[connectorType].connectorSmallArrows[connectorKey] = [];
fullElement[connectorType].connectors[connectorKey] = [];
fullElement[connectorType].connectorSets[connectorKey] = $operator_connector_set;
self._createSubConnector(connectorKey, connectorInfos, fullElement, connectorType);
}
for (var key_i in infos.inputs) {
if (infos.inputs.hasOwnProperty(key_i)) {
addConnector(key_i, infos.inputs[key_i], $operator_inputs, 'inputs');
}
}
for (var key_o in infos.outputs) {
if (infos.outputs.hasOwnProperty(key_o)) {
addConnector(key_o, infos.outputs[key_o], $operator_outputs, 'outputs');
}
}
return fullElement;
},
_createSubConnector: function (connectorKey, connectorInfos, fullElement, connectorType) {
var $operator_connector_set = fullElement[connectorType].connectorSets[connectorKey];
var subConnector = fullElement[connectorType].connectors[connectorKey].length;
var $operator_connector = $('<div class="flowchart-operator-connector"></div>');
$operator_connector.appendTo($operator_connector_set);
$operator_connector.data('connector', connectorKey);
$operator_connector.data('sub_connector', subConnector);
var $operator_connector_label = $('<div class="flowchart-operator-connector-label"></div>');
$operator_connector_label.text(connectorInfos.label.replace('(:i)', subConnector + 1));
$operator_connector_label.appendTo($operator_connector);
var $operator_connector_arrow = $('<div class="flowchart-operator-connector-arrow"></div>');
$operator_connector_arrow.appendTo($operator_connector);
var $operator_connector_small_arrow = $('<div class="flowchart-operator-connector-small-arrow"></div>');
$operator_connector_small_arrow.appendTo($operator_connector);
fullElement[connectorType].connectors[connectorKey].push($operator_connector);
fullElement[connectorType].connectorArrows[connectorKey].push($operator_connector_arrow);
fullElement[connectorType].connectorSmallArrows[connectorKey].push($operator_connector_small_arrow);
},
getOperatorElement: function (operatorData) {
var fullElement = this._getOperatorFullElement(operatorData);
return fullElement.operator;
},
addOperator: function (operatorData) {
while (typeof this.data.operators[this.operatorNum] != 'undefined') {
this.operatorNum++;
}
this.createOperator(this.operatorNum, operatorData);
return this.operatorNum;
},
createOperator: function (operatorId, operatorData) {
operatorData.internal = {};
this._refreshInternalProperties(operatorData);
var fullElement = this._getOperatorFullElement(operatorData);
if (!this.callbackEvent('operatorCreate', [operatorId, operatorData, fullElement])) {
return false;
}
var grid = this.options.grid;
if (grid) {
operatorData.top = Math.round(operatorData.top / grid) * grid;
operatorData.left = Math.round(operatorData.left / grid) * grid;
}
fullElement.operator.appendTo(this.objs.layers.operators);
fullElement.operator.css({top: operatorData.top, left: operatorData.left});
fullElement.operator.data('operator_id', operatorId);
this.data.operators[operatorId] = operatorData;
this.data.operators[operatorId].internal.els = fullElement;
if (operatorId == this.selectedOperatorId) {
this._addSelectedClass(operatorId);
}
var self = this;
function operatorChangedPosition(operator_id, pos) {
operatorData.top = pos.top;
operatorData.left = pos.left;
for (var linkId in self.data.links) {
if (self.data.links.hasOwnProperty(linkId)) {
var linkData = self.data.links[linkId];
if (linkData.fromOperator == operator_id || linkData.toOperator == operator_id) {
self._refreshLinkPositions(linkId);
}
}
}
}
// Small fix has been added in order to manage eventual zoom
// http://stackoverflow.com/questions/2930092/jquery-draggable-with-zoom-problem
if (this.options.canUserMoveOperators) {
var pointerX;
var pointerY;
fullElement.operator.draggable({
containment: operatorData.internal.properties.uncontained ? false : this.element,
handle: '.flowchart-operator-title',
start: function (e, ui) {
if (self.lastOutputConnectorClicked != null) {
e.preventDefault();
return;
}
var elementOffset = self.element.offset();
pointerX = (e.pageX - elementOffset.left) / self.positionRatio - parseInt($(e.target).css('left'));
pointerY = (e.pageY - elementOffset.top) / self.positionRatio - parseInt($(e.target).css('top'));
},
drag: function (e, ui) {
if (self.options.grid) {
var grid = self.options.grid;
var elementOffset = self.element.offset();
ui.position.left = Math.round(((e.pageX - elementOffset.left) / self.positionRatio - pointerX) / grid) * grid;
ui.position.top = Math.round(((e.pageY - elementOffset.top) / self.positionRatio - pointerY) / grid) * grid;
if (!operatorData.internal.properties.uncontained) {
var $this = $(this);
ui.position.left = Math.min(Math.max(ui.position.left, 0), self.element.width() - $this.outerWidth());
ui.position.top = Math.min(Math.max(ui.position.top, 0), self.element.height() - $this.outerHeight());
}
ui.offset.left = Math.round(ui.position.left + elementOffset.left);
ui.offset.top = Math.round(ui.position.top + elementOffset.top);
fullElement.operator.css({left: ui.position.left, top: ui.position.top});
}
operatorChangedPosition($(this).data('operator_id'), ui.position);
},
stop: function (e, ui) {
self._unsetTemporaryLink();
var operatorId = $(this).data('operator_id');
operatorChangedPosition(operatorId, ui.position);
fullElement.operator.css({
height: 'auto'
});
self.callbackEvent('operatorMoved', [operatorId, ui.position]);
self.callbackEvent('afterChange', ['operator_moved']);
}
});
}
this.callbackEvent('afterChange', ['operator_create']);
},
_connectorClicked: function (operator, connector, subConnector, connectorCategory) {
if (connectorCategory == 'outputs') {
this._restoreGrantedConnectorsColor();
var d = new Date();
// var currentTime = d.getTime();
this.lastOutputConnectorClicked = {
operator: operator,
connector: connector,
subConnector: subConnector,
grantedConnectors: this._getGrantedConnectors(operator, connector)
};
this.objs.layers.temporaryLink.show();
var position = this.getConnectorPosition(operator, connector, subConnector, connectorCategory);
var x = position.x + position.width;
var y = position.y;
this.objs.temporaryLink.setAttribute('x1', x.toString());
this.objs.temporaryLink.setAttribute('y1', y.toString());
this._mousemove(x, y);
this._colorizeGrantedConnectors();
}
if (connectorCategory == 'inputs' && this.lastOutputConnectorClicked != null) {
var linkData = {
fromOperator: this.lastOutputConnectorClicked.operator,
fromConnector: this.lastOutputConnectorClicked.connector,
fromSubConnector: this.lastOutputConnectorClicked.subConnector,
toOperator: operator,
toConnector: connector,
toSubConnector: subConnector
};
this._unsetTemporaryLink();
this.addLink(linkData);
}
},
_getGrantedConnectors: function(operatorId, connector) {
var operatorType = this.data.operators[operatorId].type;
if(typeof operatorType=='undefined' || this.data.linkRestrictions.length==0) {
return [];
}
var grantedLinks = this.data.linkRestrictions.filter(function(r) {
return operatorType==r.fromOperatorType && connector==r.fromConnector;
});
var grantedConnectors = [];
for(var l in grantedLinks) {
var link = grantedLinks[l];
for(var opId in this.data.operators) {
var operator = this.data.operators[opId];
if(operator.type == link.toOperatorType) {
var arrows = operator.internal.els.inputs.connectorArrows[link.toConnector];
if(arrows!=undefined) {
arrows = arrows.map(function(sa) {
return {els: sa, oldColor: sa.css('border-left-color')};
});
grantedConnectors.push({
color: typeof link.color=='undefined' ? this.options.defaultLinkColor : link.color,
arrows: arrows
});
}
}
}
}
return grantedConnectors;
},
_colorizeGrantedConnectors: function() {
if(this.lastOutputConnectorClicked != null) {
var grantedConnectors = this.lastOutputConnectorClicked.grantedConnectors;
grantedConnectors.forEach(function(l) {
l.arrows.forEach(function(sa) {
sa.els.css('border-left-color', l.color);
});
});
}
},
_restoreGrantedConnectorsColor: function() {
if(this.lastOutputConnectorClicked != null) {
var grantedConnectors = this.lastOutputConnectorClicked.grantedConnectors;
grantedConnectors.forEach(function(l) {
l.arrows.forEach(function(sa) {
sa.els.css('border-left-color', sa.oldColor);
});
});
}
},
_unsetTemporaryLink: function () {
this._restoreGrantedConnectorsColor();
this.lastOutputConnectorClicked = null;
this.objs.layers.temporaryLink.hide();
},
_mousemove: function (x, y, e) {
if (this.lastOutputConnectorClicked != null) {
this.objs.temporaryLink.setAttribute('x2', x);
this.objs.temporaryLink.setAttribute('y2', y);
}
},
_click: function (x, y, e) {
var $target = $(e.target);
if ($target.closest('.flowchart-operator-connector').length == 0) {
this._unsetTemporaryLink();
}
if ($target.closest('.flowchart-operator').length == 0) {
this.unselectOperator();
}
if ($target.closest('.flowchart-link').length == 0) {
this.unselectLink();
}
},
_removeSelectedClassOperators: function () {
this.objs.layers.operators.find('.flowchart-operator').removeClass('selected');
},
unselectOperator: function () {
if (this.selectedOperatorId != null) {
if (!this.callbackEvent('operatorUnselect', [])) {
return;
}
this._removeSelectedClassOperators();
this.selectedOperatorId = null;
}
},
_addSelectedClass: function (operatorId) {
this.data.operators[operatorId].internal.els.operator.addClass('selected');
},
callbackEvent: function(name, params) {
var cbName = 'on' + name.charAt(0).toUpperCase() + name.slice(1);
var ret = this.options[cbName].apply(this, params);
if (ret !== false) {
var returnHash = {'result': ret}
this.element.trigger(name, params.concat([returnHash]));
ret = returnHash['result'];
}
return ret;
},
selectOperator: function (operatorId) {
if (!this.callbackEvent('operatorSelect', [operatorId])) {
return;
}
this.unselectLink();
this._removeSelectedClassOperators();
this._addSelectedClass(operatorId);
this.selectedOperatorId = operatorId;
},
addClassOperator: function (operatorId, className) {
this.data.operators[operatorId].internal.els.operator.addClass(className);
},
removeClassOperator: function (operatorId, className) {
this.data.operators[operatorId].internal.els.operator.removeClass(className);
},
removeClassOperators: function (className) {
this.objs.layers.operators.find('.flowchart-operator').removeClass(className);
},
_addHoverClassOperator: function (operatorId) {
this.data.operators[operatorId].internal.els.operator.addClass('hover');
},
_removeHoverClassOperators: function () {
this.objs.layers.operators.find('.flowchart-operator').removeClass('hover');
},
_operatorMouseOver: function (operatorId) {
if (!this.callbackEvent('operatorMouseOver', [operatorId])) {
return;
}
this._addHoverClassOperator(operatorId);
},
_operatorMouseOut: function (operatorId) {
if (!this.callbackEvent('operatorMouseOut', [operatorId])) {
return;
}
this._removeHoverClassOperators();
},
getSelectedOperatorId: function () {
return this.selectedOperatorId;
},
getSelectedLinkId: function () {
return this.selectedLinkId;
},
// Found here : http://stackoverflow.com/questions/5560248/programmatically-lighten-or-darken-a-hex-color-or-rgb-and-blend-colors
_shadeColor: function (color, percent) {
var f = parseInt(color.slice(1), 16), t = percent < 0 ? 0 : 255, p = percent < 0 ? percent * -1 : percent, R = f >> 16, G = f >> 8 & 0x00FF, B = f & 0x0000FF;
return "#" + (0x1000000 + (Math.round((t - R) * p) + R) * 0x10000 + (Math.round((t - G) * p) + G) * 0x100 + (Math.round((t - B) * p) + B)).toString(16).slice(1);
},
colorizeLink: function (linkId, color) {
var linkData = this.data.links[linkId];
linkData.internal.els.path.setAttribute('stroke', color);
linkData.internal.els.rect.setAttribute('fill', color);
linkData.internal.els.fromSmallConnector.css('border-left-color', color);
linkData.internal.els.toSmallConnector.css('border-left-color', color);
},
uncolorizeLink: function (linkId) {
this.colorizeLink(linkId, this.getLinkMainColor(linkId));
},
_connecterMouseOver: function (linkId) {
if (this.selectedLinkId != linkId) {
this.colorizeLink(linkId, this._shadeColor(this.getLinkMainColor(linkId), -0.4));
}
},
_connecterMouseOut: function (linkId) {
if (this.selectedLinkId != linkId) {
this.uncolorizeLink(linkId);
}
},
unselectLink: function () {
if (this.selectedLinkId != null) {
if (!this.callbackEvent('linkUnselect', [])) {
return;
}
this.uncolorizeLink(this.selectedLinkId, this.options.defaultSelectedLinkColor);
this.selectedLinkId = null;
}
},
selectLink: function (linkId) {
this.unselectLink();
if (!this.callbackEvent('linkSelect', [linkId])) {
return;
}
this.unselectOperator();
this.selectedLinkId = linkId;
this.colorizeLink(linkId, this.options.defaultSelectedLinkColor);
},
deleteOperator: function (operatorId) {
this._deleteOperator(operatorId, false);
},
_deleteOperator: function (operatorId, replace) {
if (!this.callbackEvent('operatorDelete', [operatorId, replace])) {
return false;
}
if (!replace) {
for (var linkId in this.data.links) {
if (this.data.links.hasOwnProperty(linkId)) {
var currentLink = this.data.links[linkId];
if (currentLink.fromOperator == operatorId || currentLink.toOperator == operatorId) {
this._deleteLink(linkId, true);
}
}
}
}
if (!replace && operatorId == this.selectedOperatorId) {
this.unselectOperator();
}
this.data.operators[operatorId].internal.els.operator.remove();
delete this.data.operators[operatorId];
this.callbackEvent('afterChange', ['operator_delete']);
},
deleteLink: function (linkId) {
this._deleteLink(linkId, false);
},
_deleteLink: function (linkId, forced) {
if (this.selectedLinkId == linkId) {
this.unselectLink();
}
if (!this.callbackEvent('linkDelete', [linkId, forced])) {
if (!forced) {
return;
}
}
this.colorizeLink(linkId, 'transparent');
var linkData = this.data.links[linkId];
var fromOperator = linkData.fromOperator;