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jquery.flowchart.js
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jquery.flowchart.js
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if (!('remove' in Element.prototype)) {
Element.prototype.remove = function() {
if (this.parentNode) {
alert(this.innerHTML);
this.parentNode.removeChild(this);
}
};
}
jQuery(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',
// RGT
linksLayerClass: 'flowchart-operators-layer',
operatorsLayerClass: 'flowchart-operators-layer',
readOnly: false,
// ---------------------------------------------------
defaultLinkColor: '#3366ff',
defaultSelectedLinkColor: 'black',
linkWidth: 10,
grid: 20,
multipleLinksOnOutput: false,
multipleLinksOnInput: false,
linkVerticalDecal: 0,
verticalConnection: false,
onOperatorSelect: function (operatorId) {
return true;
},
onOperatorUnselect: function () {
return true;
},
onOperatorMouseOver: function (operatorId) {
return true;
},
onOperatorMouseOut: function (operatorId) {
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) {
}
},
canvas: null,
data: null,
objs: null,
maskNum: 0,
linkNum: 0,
operatorNum: 0,
lastOutputConnectorClicked: null,
selectedOperatorId: null,
selectedLinkId: null,
positionRatio: 1,
globalId: null,
// ---------------------------------------------------
// RGT
selectedOperators: [],
// ---------------------------------------------------
// 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');
if (this.options.verticalConnection) {
this.element.addClass('flowchart-vertical');
}
this.canvas = this.element;
this.objs.layers.links = $('<svg id="linksLayer" class="flowchart-links-layer"></svg>');
// ---------------------------------------------------
// RGT
this.objs.layers.links.addClass(this.options.linksLayerClass);
// ---------------------------------------------------
this.objs.layers.links.appendTo(this.element);
this.objs.layers.operators = $('<div id="operatorsLayer" class="flowchart-operators-layer unselectable"></div>');
// ---------------------------------------------------
// RGT
this.objs.layers.operators.addClass(this.options.operatorsLayerClass);
// ---------------------------------------------------
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);
// ---------------------------------------------------
// RGT
this.objs.layers.temporaryLink.addClass(this.options.linksLayerClass);
// ---------------------------------------------------
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: {}
};
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 = $this.offset();
self._click((e.pageX - offset.left) / self.positionRatio, (e.pageY - offset.top) / self.positionRatio, e);
});
// Added by RGT
this.element.on('scroll', function (e) {
self.redrawLinksLayer();
});
// ---------------------------------------------------
this.objs.layers.operators.on('pointerdown mousedown touchstart', '.flowchart-operator', function (e) {
e.stopImmediatePropagation();
});
this.objs.layers.operators.on('click', '.flowchart-operator', function (e) {
if ($(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'));
});
this.objs.layers.operators.on('mouseover', '.flowchart-operator', function (e) {
self._operatorMouseOver($(this).data('operator_id'));
});
this.objs.layers.operators.on('mouseout', '.flowchart-operator', function (e) {
self._operatorMouseOut($(this).data('operator_id'));
});
},
setData: function (data) {
this._clearOperatorsLayer();
this.data.operatorTypes = {};
if (typeof data.operatorTypes != 'undefined') {
this.data.operatorTypes = data.operatorTypes;
}
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();
},
// ---------------------------------------------------
// Added by RGT
clearCanvas: function () {
this._clearOperatorsLayer();
this._clearLinksLayer();
this.data.operatorTypes = {};
this.data.links = {};
this.data.operators = {};
this.redrawLinksLayer();
// Scroll to the top and left...
this.canvas.scrollTop(0);
this.canvas.scrollLeft(0);
this.options.readOnly = false;
},
setToReadOnly: function (value) {
this.options.readOnly = value;
this.options.canUserEditLinks = !value;
},
getReadOnly: function () {
return this.options.readOnly;
},
setSelectedOperators: function (selectedOperators) {
this.selectedOperators = selectedOperators;
},
// ---------------------------------------------------
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 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 && !this.data.operators[linkData.fromOperator].properties.outputs[linkData.fromConnector].multipleLinks && currentLink.fromOperator == linkData.fromOperator && currentLink.fromConnector == linkData.fromConnector && currentFromSubConnector == fromSubConnector) {
this.deleteLink(linkId2);
continue;
}
if (!multipleLinksOnInput && !this.data.operators[linkData.toOperator].properties.inputs[linkData.toConnector].multipleLinks && 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);
this.data.links[linkId] = linkData;
this._drawLink(linkId);
this.callbackEvent('afterChange', ['link_create']);
},
_autoCreateSubConnector: function (operator, connector, connectorType, subConnector) {
var connectorInfos = this.data.operators[operator].internal.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);
}
}
},
_refreshOperatorConnectors: function (operatorId) {
for (var linkId in this.data.links) {
if (this.data.links.hasOwnProperty(linkId)) {
var linkData = this.data.links[linkId];
if (linkData.fromOperator == operatorId || linkData.toOperator == operatorId)
{
var subConnectors = this._getSubConnectors(linkData);
var fromSubConnector = subConnectors[0];
var toSubConnector = subConnectors[1];
this._autoCreateSubConnector(linkData.fromOperator, linkData.fromConnector, 'outputs', fromSubConnector);
this._autoCreateSubConnector(linkData.toOperator, linkData.toConnector, 'inputs', toSubConnector);
}
}
}
},
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();
if (this.options.verticalConnection) {
this.objs.layers.operators.find('.flowchart-operator-connector-small-arrow').css('border-top-color', 'transparent');
} else {
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) {
var operatorData = this.data.operators[operatorId];
var $connector = operatorData.internal.els.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'), 10);
var y = (connectorOffset.top - elementOffset.top - 1) / this.positionRatio + parseInt($connector.css('border-left-width'), 10);
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.connectorSmallArrows[fromConnectorId][fromSubConnector];
var toSmallConnector = toOperator.internal.els.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);
var toPosition = this.getConnectorPosition(linkData.toOperator, linkData.toConnector, toSubConnector);
// RGT
var xScroll = this.canvas.scrollLeft() / this.positionRatio;
fromPosition.x += xScroll;
toPosition.x += xScroll;
var yScroll = this.canvas.scrollTop() / this.positionRatio;
fromPosition.y += yScroll;
toPosition.y += yScroll;
// ---------------------------------------------------
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, bezierToX, bezierIntensity;
if (this.options.verticalConnection) {
fromY = fromY - 10;
toY = toY - 10;
bezierFromX = (fromX + offsetFromX + distanceFromArrow - 3);
bezierToX = (toX + offsetFromX + distanceFromArrow - 3);
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' + bezierFromX + ',' + (fromY + bezierIntensity) + ' ' + bezierToX + ',' + (toY - bezierIntensity) + ' ' + bezierToX + ',' + toY);
linkData.internal.els.rect.setAttribute("x", fromX - 1 + this.options.linkWidth / 2);
} else {
bezierFromX = (fromX + offsetFromX + distanceFromArrow);
bezierToX = toX + 1;
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_body = $('<div class="flowchart-operator-body"></div>');
$operator_body.html(infos.body);
if (infos.body) {
$operator_body.appendTo($operator);
}
var $operator_inputs_outputs = $('<div class="flowchart-operator-inputs-outputs"></div>');
var $operator_inputs = $('<div class="flowchart-operator-inputs"></div>');
var $operator_outputs = $('<div class="flowchart-operator-outputs"></div>');
if (this.options.verticalConnection) {
$operator_inputs.prependTo($operator);
$operator_outputs.appendTo($operator);
} else {
$operator_inputs_outputs.appendTo($operator);
$operator_inputs.appendTo($operator_inputs_outputs);
$operator_outputs.appendTo($operator_inputs_outputs);
}
var self = this;
var connectorArrows = {};
var connectorSmallArrows = {};
var connectorSets = {};
var connectors = {};
var fullElement = {
operator: $operator,
title: $operator_title,
body: $operator_body,
connectorSets: connectorSets,
connectors: connectors,
connectorArrows: connectorArrows,
connectorSmallArrows: 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);
connectorArrows[connectorKey] = [];
connectorSmallArrows[connectorKey] = [];
connectors[connectorKey] = [];
connectorSets[connectorKey] = $operator_connector_set;
if ($.isArray(connectorInfos.label)) {
for (var i = 0; i < connectorInfos.label.length; i++) {
self._createSubConnector(connectorKey, connectorInfos.label[i], fullElement);
}
} else {
self._createSubConnector(connectorKey, connectorInfos, fullElement);
}
}
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) {
var $operator_connector_set = fullElement.connectorSets[connectorKey];
var subConnector = fullElement.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.connectors[connectorKey].push($operator_connector);
fullElement.connectorArrows[connectorKey].push($operator_connector_arrow);
fullElement.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;
}
// ---------------------------------------------------
// RGT
var xScroll = this.element.scrollLeft() / this.positionRatio;
var yScroll = this.element.scrollTop() / this.positionRatio;
operatorData.left += xScroll;
operatorData.top += yScroll;
// ---------------------------------------------------
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, .flowchart-operator-body',
start: function (e, ui) {
// ---------------------------------------------------
// RGT
// Stop the drag if the canUserMoveOperators is false...
// RGT replace the line below with the other line...
//if (self.lastOutputConnectorClicked != null) {
if (self.lastOutputConnectorClicked != null || self.options.readOnly == true) {
// ---------------------------------------------------
e.preventDefault();
return;
}
var elementOffset = self.element.offset();
pointerX = (e.pageX - elementOffset.left) / self.positionRatio - parseInt($(e.target).css('left'), 10);
pointerY = (e.pageY - elementOffset.top) / self.positionRatio - parseInt($(e.target).css('top'), 10);
},
drag: function (e, ui) {
if (self.options.grid) {
var grid = self.options.grid;
// Save the original left and right so we can calculate the change...
var uiLeft = ui.position.left;
var uiTop = ui.position.top;
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);
// ---------------------------------------------------
// RGT
// Stop it from going too far left or too far right...
ui.position.left = Math.min(Math.max(ui.position.left, 0), self.objs.layers.operators.width() - (fullElement.operator[0].offsetWidth + 20));
// .. same with the top...
ui.position.top = Math.min(Math.max(ui.position.top, 0), self.objs.layers.operators.height() - (fullElement.operator[0].offsetHeight));
// ---------------------------------------------------
}
ui.offset.left = Math.round(ui.position.left + elementOffset.left);
ui.offset.top = Math.round(ui.position.top + elementOffset.top);
// ---------------------------------------------------
// RGT
// Calculate the diffs of the operator being moved so they can be applied to the other operators...
var originalLeft = parseInt(fullElement.operator.css('left'));
var originalTop = parseInt(fullElement.operator.css('top'));
fullElement.operator.css({left: ui.position.left, top: ui.position.top});
var diffLeft = parseInt(fullElement.operator.css('left')) - originalLeft;
var diffTop = parseInt(fullElement.operator.css('top')) - originalTop;
// Try to find the dragged operator in the selectedOperators list...
// .. if it isn't there then cancel the move of the other operators but keep the list...
if (self.selectedOperators.find( operator => { return operator._operatorID == $(this).data('operator_id'); } ) != null) {
// Filter out the operator that is being dragged...
var filteredOperators = self.selectedOperators.filter( operator => { return operator._operatorID != $(this).data('operator_id'); } );
filteredOperators.forEach( operator => {
// Move the other operator...
// Get the original position...
var currentPosition = $(operator).position();
// Update the position with the difference...
currentPosition.left += diffLeft;
currentPosition.top += diffTop;
// Set the position on the screen...
$(operator).css({ left: currentPosition.left, top: currentPosition.top });
// Update the operator data to set the new position...
self.data.operators[operator._operatorID].left = currentPosition.left;
self.data.operators[operator._operatorID].top = currentPosition.top;
// Trigger the link redraws...
operatorChangedPosition(operator._operatorID, currentPosition);
});
}
// ---------------------------------------------------
}
// Need to somehow change the positions of all of the operators in the drag select list...
operatorChangedPosition($(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') {
var d = new Date();
// var currentTime = d.getTime();
this.lastOutputConnectorClicked = {
operator: operator,
connector: connector,
subConnector: subConnector
};
this.objs.layers.temporaryLink.show();
var position = this.getConnectorPosition(operator, connector, subConnector);
var x = position.x + position.width;
var y = position.y;
// RGT
var xScroll = this.canvas.scrollLeft() / this.positionRatio;
var yScroll = this.canvas.scrollTop() / this.positionRatio;
var xNew = x + xScroll;
var yNew = y + yScroll;
// ---------------------------------------------------
this.objs.temporaryLink.setAttribute('x1', xNew.toString());
this.objs.temporaryLink.setAttribute('y1', yNew.toString());
this._mousemove(x, y);
}
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.addLink(linkData);
this._unsetTemporaryLink();
}
},
_unsetTemporaryLink: function () {
this.lastOutputConnectorClicked = null;
this.objs.layers.temporaryLink.hide();
},
_mousemove: function (x, y, e) {
if (this.lastOutputConnectorClicked != null) {
// RGT
var xScroll = this.canvas.scrollLeft() / this.positionRatio;
var yScroll = this.canvas.scrollTop() / this.positionRatio;
x += xScroll;
y += yScroll;
// ---------------------------------------------------
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');
},