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586 lines
20 KiB
586 lines
20 KiB
var util = require('../../util');
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var Node = require('../Node');
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var Edge = require('../Edge');
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/**
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* clears the toolbar div element of children
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*
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* @private
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*/
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exports._clearManipulatorBar = function() {
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while (this.manipulationDiv.hasChildNodes()) {
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this.manipulationDiv.removeChild(this.manipulationDiv.firstChild);
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}
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};
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/**
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* Manipulation UI temporarily overloads certain functions to extend or replace them. To be able to restore
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* these functions to their original functionality, we saved them in this.cachedFunctions.
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* This function restores these functions to their original function.
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*
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* @private
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*/
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exports._restoreOverloadedFunctions = function() {
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for (var functionName in this.cachedFunctions) {
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if (this.cachedFunctions.hasOwnProperty(functionName)) {
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this[functionName] = this.cachedFunctions[functionName];
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}
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}
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};
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/**
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* Enable or disable edit-mode.
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*
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* @private
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*/
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exports._toggleEditMode = function() {
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this.editMode = !this.editMode;
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var toolbar = document.getElementById("network-manipulationDiv");
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var closeDiv = document.getElementById("network-manipulation-closeDiv");
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var editModeDiv = document.getElementById("network-manipulation-editMode");
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if (this.editMode == true) {
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toolbar.style.display="block";
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closeDiv.style.display="block";
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editModeDiv.style.display="none";
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closeDiv.onclick = this._toggleEditMode.bind(this);
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}
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else {
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toolbar.style.display="none";
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closeDiv.style.display="none";
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editModeDiv.style.display="block";
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closeDiv.onclick = null;
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}
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this._createManipulatorBar()
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};
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/**
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* main function, creates the main toolbar. Removes functions bound to the select event. Binds all the buttons of the toolbar.
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*
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* @private
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*/
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exports._createManipulatorBar = function() {
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// remove bound functions
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if (this.boundFunction) {
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this.off('select', this.boundFunction);
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}
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var locale = this.constants.locales[this.constants.locale];
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if (this.edgeBeingEdited !== undefined) {
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this.edgeBeingEdited._disableControlNodes();
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this.edgeBeingEdited = undefined;
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this.selectedControlNode = null;
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this.controlNodesActive = false;
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}
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// restore overloaded functions
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this._restoreOverloadedFunctions();
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// resume calculation
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this.freezeSimulation = false;
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// reset global variables
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this.blockConnectingEdgeSelection = false;
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this.forceAppendSelection = false;
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if (this.editMode == true) {
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while (this.manipulationDiv.hasChildNodes()) {
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this.manipulationDiv.removeChild(this.manipulationDiv.firstChild);
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}
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// add the icons to the manipulator div
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this.manipulationDiv.innerHTML = "" +
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"<span class='network-manipulationUI add' id='network-manipulate-addNode'>" +
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"<span class='network-manipulationLabel'>"+locale['add'] +"</span></span>" +
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"<div class='network-seperatorLine'></div>" +
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"<span class='network-manipulationUI connect' id='network-manipulate-connectNode'>" +
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"<span class='network-manipulationLabel'>"+locale['link'] +"</span></span>";
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if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) {
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this.manipulationDiv.innerHTML += "" +
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"<div class='network-seperatorLine'></div>" +
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"<span class='network-manipulationUI edit' id='network-manipulate-editNode'>" +
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"<span class='network-manipulationLabel'>"+locale['editNode'] +"</span></span>";
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}
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else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) {
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this.manipulationDiv.innerHTML += "" +
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"<div class='network-seperatorLine'></div>" +
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"<span class='network-manipulationUI edit' id='network-manipulate-editEdge'>" +
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"<span class='network-manipulationLabel'>"+locale['editEdge'] +"</span></span>";
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}
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if (this._selectionIsEmpty() == false) {
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this.manipulationDiv.innerHTML += "" +
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"<div class='network-seperatorLine'></div>" +
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"<span class='network-manipulationUI delete' id='network-manipulate-delete'>" +
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"<span class='network-manipulationLabel'>"+locale['del'] +"</span></span>";
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}
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// bind the icons
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var addNodeButton = document.getElementById("network-manipulate-addNode");
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addNodeButton.onclick = this._createAddNodeToolbar.bind(this);
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var addEdgeButton = document.getElementById("network-manipulate-connectNode");
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addEdgeButton.onclick = this._createAddEdgeToolbar.bind(this);
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if (this._getSelectedNodeCount() == 1 && this.triggerFunctions.edit) {
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var editButton = document.getElementById("network-manipulate-editNode");
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editButton.onclick = this._editNode.bind(this);
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}
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else if (this._getSelectedEdgeCount() == 1 && this._getSelectedNodeCount() == 0) {
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var editButton = document.getElementById("network-manipulate-editEdge");
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editButton.onclick = this._createEditEdgeToolbar.bind(this);
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}
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if (this._selectionIsEmpty() == false) {
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var deleteButton = document.getElementById("network-manipulate-delete");
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deleteButton.onclick = this._deleteSelected.bind(this);
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}
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var closeDiv = document.getElementById("network-manipulation-closeDiv");
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closeDiv.onclick = this._toggleEditMode.bind(this);
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this.boundFunction = this._createManipulatorBar.bind(this);
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this.on('select', this.boundFunction);
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}
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else {
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this.editModeDiv.innerHTML = "" +
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"<span class='network-manipulationUI edit editmode' id='network-manipulate-editModeButton'>" +
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"<span class='network-manipulationLabel'>" + locale['edit'] + "</span></span>";
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var editModeButton = document.getElementById("network-manipulate-editModeButton");
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editModeButton.onclick = this._toggleEditMode.bind(this);
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}
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};
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/**
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* Create the toolbar for adding Nodes
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*
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* @private
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*/
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exports._createAddNodeToolbar = function() {
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// clear the toolbar
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this._clearManipulatorBar();
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if (this.boundFunction) {
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this.off('select', this.boundFunction);
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}
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var locale = this.constants.locales[this.constants.locale];
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// create the toolbar contents
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this.manipulationDiv.innerHTML = "" +
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"<span class='network-manipulationUI back' id='network-manipulate-back'>" +
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"<span class='network-manipulationLabel'>" + locale['back'] + " </span></span>" +
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"<div class='network-seperatorLine'></div>" +
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"<span class='network-manipulationUI none' id='network-manipulate-back'>" +
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"<span id='network-manipulatorLabel' class='network-manipulationLabel'>" + locale['addDescription'] + "</span></span>";
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// bind the icon
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var backButton = document.getElementById("network-manipulate-back");
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backButton.onclick = this._createManipulatorBar.bind(this);
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// we use the boundFunction so we can reference it when we unbind it from the "select" event.
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this.boundFunction = this._addNode.bind(this);
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this.on('select', this.boundFunction);
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};
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/**
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* create the toolbar to connect nodes
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*
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* @private
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*/
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exports._createAddEdgeToolbar = function() {
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// clear the toolbar
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this._clearManipulatorBar();
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this._unselectAll(true);
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this.freezeSimulation = true;
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var locale = this.constants.locales[this.constants.locale];
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if (this.boundFunction) {
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this.off('select', this.boundFunction);
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}
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this._unselectAll();
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this.forceAppendSelection = false;
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this.blockConnectingEdgeSelection = true;
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this.manipulationDiv.innerHTML = "" +
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"<span class='network-manipulationUI back' id='network-manipulate-back'>" +
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"<span class='network-manipulationLabel'>" + locale['back'] + " </span></span>" +
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"<div class='network-seperatorLine'></div>" +
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"<span class='network-manipulationUI none' id='network-manipulate-back'>" +
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"<span id='network-manipulatorLabel' class='network-manipulationLabel'>" + locale['linkDescription'] + "</span></span>";
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// bind the icon
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var backButton = document.getElementById("network-manipulate-back");
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backButton.onclick = this._createManipulatorBar.bind(this);
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// we use the boundFunction so we can reference it when we unbind it from the "select" event.
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this.boundFunction = this._handleConnect.bind(this);
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this.on('select', this.boundFunction);
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// temporarily overload functions
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this.cachedFunctions["_handleTouch"] = this._handleTouch;
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this.cachedFunctions["_handleOnRelease"] = this._handleOnRelease;
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this._handleTouch = this._handleConnect;
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this._handleOnRelease = this._finishConnect;
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// redraw to show the unselect
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this._redraw();
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};
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/**
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* create the toolbar to edit edges
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*
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* @private
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*/
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exports._createEditEdgeToolbar = function() {
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// clear the toolbar
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this._clearManipulatorBar();
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this.controlNodesActive = true;
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if (this.boundFunction) {
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this.off('select', this.boundFunction);
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}
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this.edgeBeingEdited = this._getSelectedEdge();
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this.edgeBeingEdited._enableControlNodes();
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var locale = this.constants.locales[this.constants.locale];
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this.manipulationDiv.innerHTML = "" +
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"<span class='network-manipulationUI back' id='network-manipulate-back'>" +
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"<span class='network-manipulationLabel'>" + locale['back'] + " </span></span>" +
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"<div class='network-seperatorLine'></div>" +
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"<span class='network-manipulationUI none' id='network-manipulate-back'>" +
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"<span id='network-manipulatorLabel' class='network-manipulationLabel'>" + locale['editEdgeDescription'] + "</span></span>";
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// bind the icon
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var backButton = document.getElementById("network-manipulate-back");
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backButton.onclick = this._createManipulatorBar.bind(this);
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// temporarily overload functions
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this.cachedFunctions["_handleTouch"] = this._handleTouch;
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this.cachedFunctions["_handleOnRelease"] = this._handleOnRelease;
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this.cachedFunctions["_handleTap"] = this._handleTap;
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this.cachedFunctions["_handleDragStart"] = this._handleDragStart;
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this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag;
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this._handleTouch = this._selectControlNode;
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this._handleTap = function () {};
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this._handleOnDrag = this._controlNodeDrag;
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this._handleDragStart = function () {}
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this._handleOnRelease = this._releaseControlNode;
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// redraw to show the unselect
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this._redraw();
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};
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/**
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* the function bound to the selection event. It checks if you want to connect a cluster and changes the description
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* to walk the user through the process.
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*
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* @private
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*/
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exports._selectControlNode = function(pointer) {
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this.edgeBeingEdited.controlNodes.from.unselect();
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this.edgeBeingEdited.controlNodes.to.unselect();
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this.selectedControlNode = this.edgeBeingEdited._getSelectedControlNode(this._XconvertDOMtoCanvas(pointer.x),this._YconvertDOMtoCanvas(pointer.y));
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if (this.selectedControlNode !== null) {
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this.selectedControlNode.select();
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this.freezeSimulation = true;
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}
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this._redraw();
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};
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/**
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* the function bound to the selection event. It checks if you want to connect a cluster and changes the description
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* to walk the user through the process.
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*
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* @private
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*/
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exports._controlNodeDrag = function(event) {
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var pointer = this._getPointer(event.gesture.center);
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if (this.selectedControlNode !== null && this.selectedControlNode !== undefined) {
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this.selectedControlNode.x = this._XconvertDOMtoCanvas(pointer.x);
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this.selectedControlNode.y = this._YconvertDOMtoCanvas(pointer.y);
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}
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this._redraw();
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};
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exports._releaseControlNode = function(pointer) {
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var newNode = this._getNodeAt(pointer);
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if (newNode != null) {
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if (this.edgeBeingEdited.controlNodes.from.selected == true) {
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this._editEdge(newNode.id, this.edgeBeingEdited.to.id);
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this.edgeBeingEdited.controlNodes.from.unselect();
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}
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if (this.edgeBeingEdited.controlNodes.to.selected == true) {
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this._editEdge(this.edgeBeingEdited.from.id, newNode.id);
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this.edgeBeingEdited.controlNodes.to.unselect();
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}
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}
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else {
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this.edgeBeingEdited._restoreControlNodes();
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}
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this.freezeSimulation = false;
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this._redraw();
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};
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/**
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* the function bound to the selection event. It checks if you want to connect a cluster and changes the description
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* to walk the user through the process.
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*
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* @private
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*/
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exports._handleConnect = function(pointer) {
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if (this._getSelectedNodeCount() == 0) {
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var node = this._getNodeAt(pointer);
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if (node != null) {
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if (node.clusterSize > 1) {
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alert(this.constants.locales[this.constants.locale]['createEdgeError'])
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}
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else {
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this._selectObject(node,false);
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// create a node the temporary line can look at
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this.sectors['support']['nodes']['targetNode'] = new Node({id:'targetNode'},{},{},this.constants);
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this.sectors['support']['nodes']['targetNode'].x = node.x;
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this.sectors['support']['nodes']['targetNode'].y = node.y;
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this.sectors['support']['nodes']['targetViaNode'] = new Node({id:'targetViaNode'},{},{},this.constants);
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this.sectors['support']['nodes']['targetViaNode'].x = node.x;
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this.sectors['support']['nodes']['targetViaNode'].y = node.y;
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this.sectors['support']['nodes']['targetViaNode'].parentEdgeId = "connectionEdge";
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// create a temporary edge
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this.edges['connectionEdge'] = new Edge({id:"connectionEdge",from:node.id,to:this.sectors['support']['nodes']['targetNode'].id}, this, this.constants);
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this.edges['connectionEdge'].from = node;
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this.edges['connectionEdge'].connected = true;
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this.edges['connectionEdge'].smooth = true;
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this.edges['connectionEdge'].selected = true;
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this.edges['connectionEdge'].to = this.sectors['support']['nodes']['targetNode'];
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this.edges['connectionEdge'].via = this.sectors['support']['nodes']['targetViaNode'];
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this.cachedFunctions["_handleOnDrag"] = this._handleOnDrag;
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this._handleOnDrag = function(event) {
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var pointer = this._getPointer(event.gesture.center);
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this.sectors['support']['nodes']['targetNode'].x = this._XconvertDOMtoCanvas(pointer.x);
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this.sectors['support']['nodes']['targetNode'].y = this._YconvertDOMtoCanvas(pointer.y);
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this.sectors['support']['nodes']['targetViaNode'].x = 0.5 * (this._XconvertDOMtoCanvas(pointer.x) + this.edges['connectionEdge'].from.x);
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this.sectors['support']['nodes']['targetViaNode'].y = this._YconvertDOMtoCanvas(pointer.y);
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};
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this.moving = true;
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this.start();
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}
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}
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}
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};
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exports._finishConnect = function(pointer) {
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if (this._getSelectedNodeCount() == 1) {
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// restore the drag function
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this._handleOnDrag = this.cachedFunctions["_handleOnDrag"];
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delete this.cachedFunctions["_handleOnDrag"];
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// remember the edge id
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var connectFromId = this.edges['connectionEdge'].fromId;
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// remove the temporary nodes and edge
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delete this.edges['connectionEdge'];
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delete this.sectors['support']['nodes']['targetNode'];
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delete this.sectors['support']['nodes']['targetViaNode'];
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var node = this._getNodeAt(pointer);
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if (node != null) {
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if (node.clusterSize > 1) {
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alert(this.constants.locales[this.constants.locale]["createEdgeError"])
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}
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else {
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this._createEdge(connectFromId,node.id);
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this._createManipulatorBar();
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}
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}
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this._unselectAll();
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}
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};
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/**
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* Adds a node on the specified location
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*/
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exports._addNode = function() {
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if (this._selectionIsEmpty() && this.editMode == true) {
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var positionObject = this._pointerToPositionObject(this.pointerPosition);
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var defaultData = {id:util.randomUUID(),x:positionObject.left,y:positionObject.top,label:"new",allowedToMoveX:true,allowedToMoveY:true};
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if (this.triggerFunctions.add) {
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if (this.triggerFunctions.add.length == 2) {
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var me = this;
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this.triggerFunctions.add(defaultData, function(finalizedData) {
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me.nodesData.add(finalizedData);
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me._createManipulatorBar();
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me.moving = true;
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me.start();
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});
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}
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else {
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throw new Error('The function for add does not support two arguments (data,callback)');
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this._createManipulatorBar();
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this.moving = true;
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this.start();
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}
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}
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else {
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this.nodesData.add(defaultData);
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this._createManipulatorBar();
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this.moving = true;
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this.start();
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}
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}
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};
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/**
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* connect two nodes with a new edge.
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*
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* @private
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*/
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exports._createEdge = function(sourceNodeId,targetNodeId) {
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if (this.editMode == true) {
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var defaultData = {from:sourceNodeId, to:targetNodeId};
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if (this.triggerFunctions.connect) {
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if (this.triggerFunctions.connect.length == 2) {
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var me = this;
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this.triggerFunctions.connect(defaultData, function(finalizedData) {
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me.edgesData.add(finalizedData);
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me.moving = true;
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me.start();
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});
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}
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else {
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throw new Error('The function for connect does not support two arguments (data,callback)');
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this.moving = true;
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this.start();
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}
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}
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else {
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this.edgesData.add(defaultData);
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this.moving = true;
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this.start();
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}
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}
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};
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/**
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* connect two nodes with a new edge.
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*
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* @private
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*/
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exports._editEdge = function(sourceNodeId,targetNodeId) {
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if (this.editMode == true) {
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var defaultData = {id: this.edgeBeingEdited.id, from:sourceNodeId, to:targetNodeId};
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if (this.triggerFunctions.editEdge) {
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if (this.triggerFunctions.editEdge.length == 2) {
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|
var me = this;
|
|
this.triggerFunctions.editEdge(defaultData, function(finalizedData) {
|
|
me.edgesData.update(finalizedData);
|
|
me.moving = true;
|
|
me.start();
|
|
});
|
|
}
|
|
else {
|
|
throw new Error('The function for edit does not support two arguments (data, callback)');
|
|
this.moving = true;
|
|
this.start();
|
|
}
|
|
}
|
|
else {
|
|
this.edgesData.update(defaultData);
|
|
this.moving = true;
|
|
this.start();
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Create the toolbar to edit the selected node. The label and the color can be changed. Other colors are derived from the chosen color.
|
|
*
|
|
* @private
|
|
*/
|
|
exports._editNode = function() {
|
|
if (this.triggerFunctions.edit && this.editMode == true) {
|
|
var node = this._getSelectedNode();
|
|
var data = {id:node.id,
|
|
label: node.label,
|
|
group: node.options.group,
|
|
shape: node.options.shape,
|
|
color: {
|
|
background:node.options.color.background,
|
|
border:node.options.color.border,
|
|
highlight: {
|
|
background:node.options.color.highlight.background,
|
|
border:node.options.color.highlight.border
|
|
}
|
|
}};
|
|
if (this.triggerFunctions.edit.length == 2) {
|
|
var me = this;
|
|
this.triggerFunctions.edit(data, function (finalizedData) {
|
|
me.nodesData.update(finalizedData);
|
|
me._createManipulatorBar();
|
|
me.moving = true;
|
|
me.start();
|
|
});
|
|
}
|
|
else {
|
|
throw new Error('The function for edit does not support two arguments (data, callback)');
|
|
}
|
|
}
|
|
else {
|
|
throw new Error('No edit function has been bound to this button');
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/**
|
|
* delete everything in the selection
|
|
*
|
|
* @private
|
|
*/
|
|
exports._deleteSelected = function() {
|
|
if (!this._selectionIsEmpty() && this.editMode == true) {
|
|
if (!this._clusterInSelection()) {
|
|
var selectedNodes = this.getSelectedNodes();
|
|
var selectedEdges = this.getSelectedEdges();
|
|
if (this.triggerFunctions.del) {
|
|
var me = this;
|
|
var data = {nodes: selectedNodes, edges: selectedEdges};
|
|
if (this.triggerFunctions.del.length = 2) {
|
|
this.triggerFunctions.del(data, function (finalizedData) {
|
|
me.edgesData.remove(finalizedData.edges);
|
|
me.nodesData.remove(finalizedData.nodes);
|
|
me._unselectAll();
|
|
me.moving = true;
|
|
me.start();
|
|
});
|
|
}
|
|
else {
|
|
throw new Error('The function for delete does not support two arguments (data, callback)')
|
|
}
|
|
}
|
|
else {
|
|
this.edgesData.remove(selectedEdges);
|
|
this.nodesData.remove(selectedNodes);
|
|
this._unselectAll();
|
|
this.moving = true;
|
|
this.start();
|
|
}
|
|
}
|
|
else {
|
|
alert(this.constants.locales[this.constants.locale]["deleteClusterError"]);
|
|
}
|
|
}
|
|
};
|