X-Git-Url: https://git.mdrn.pl/fnpeditor.git/blobdiff_plain/5c9d3612ac44a2da2624a911c97a4aa563679fed..eb2569dfea00204192e8a69aa4599bd2ab46c51e:/src/editor/modules/documentCanvas/canvas/canvas.js diff --git a/src/editor/modules/documentCanvas/canvas/canvas.js b/src/editor/modules/documentCanvas/canvas/canvas.js index 6a60f80..44d3e6d 100644 --- a/src/editor/modules/documentCanvas/canvas/canvas.js +++ b/src/editor/modules/documentCanvas/canvas/canvas.js @@ -2,15 +2,17 @@ define([ 'libs/jquery', 'libs/underscore', 'libs/backbone', +'fnpjs/logging/logging', 'modules/documentCanvas/canvas/documentElement', 'modules/documentCanvas/canvas/keyboard', 'modules/documentCanvas/canvas/utils', 'modules/documentCanvas/canvas/wlxmlListener' -], function($, _, Backbone, documentElement, keyboard, utils, wlxmlListener) { +], function($, _, Backbone, logging, documentElement, keyboard, utils, wlxmlListener) { 'use strict'; -/* global document:false, window:false */ +/* global document:false, window:false, Node:false */ +var logger = logging.getLogger('canvas'); var TextHandler = function(canvas) {this.canvas = canvas; this.buffer = null;}; $.extend(TextHandler.prototype, { @@ -52,6 +54,7 @@ var Canvas = function(wlxmlDocument, publisher) { this.wrapper = $('
').addClass('canvas-wrapper').attr('contenteditable', true); this.wlxmlListener = wlxmlListener.create(this); this.loadWlxmlDocument(wlxmlDocument); + this.setupEventHandling(); this.publisher = publisher ? publisher : function() {}; this.textHandler = new TextHandler(this); }; @@ -66,7 +69,6 @@ $.extend(Canvas.prototype, { this.wlxmlListener.listenTo(wlxmlDocument); this.wlxmlDocument = wlxmlDocument; this.reloadRoot(); - this.setupEventHandling(); }, reloadRoot: function() { @@ -89,11 +91,46 @@ $.extend(Canvas.prototype, { keyboard.handleKey(e, this); }.bind(this)); + var mouseDown; + this.wrapper.on('mousedown', '[document-node-element], [document-text-element]', function(e) { + mouseDown = e.target; + }); + this.wrapper.on('click', '[document-node-element], [document-text-element]', function(e) { e.stopPropagation(); - canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false}); + if(e.originalEvent.detail === 3) { + e.preventDefault(); + canvas._moveCaretToTextElement(canvas.getDocumentElement(e.currentTarget), 'whole'); + } else { + if(mouseDown === e.target) { + canvas.setCurrentElement(canvas.getDocumentElement(e.currentTarget), {caretTo: false}); + } + } }); + this.wrapper.on('paste', function(e) { + e.preventDefault(); + + var clipboardData = e.originalEvent.clipboardData; + if(!clipboardData || !clipboardData.getData) { + return; // TODO: alert + } + + var text = clipboardData.getData('text/plain').replace(/\r?\n|\r/g, ' '), + cursor = canvas.getCursor(), + element = cursor.getPosition().element, + lhs, rhs; + + if(element && cursor.isWithinElement()) { + lhs = element.getText().substr(0, cursor.getSelectionStart().offset); + rhs = element.getText().substr(cursor.getSelectionEnd().offset); + element.setText(lhs+text+rhs); + canvas.setCurrentElement(element, {caretTo: lhs.length + text.length}); + } else { + /* jshint noempty:false */ + // TODO: alert + } + }); /* globals MutationObserver */ var observer = new MutationObserver(function(mutations) { @@ -108,7 +145,6 @@ $.extend(Canvas.prototype, { canvas._moveCaretToTextElement(canvas.getDocumentElement(mutation.target), 'end'); } observer.observe(canvas.wrapper[0], config); - canvas.publisher('contentChanged'); var textElement = canvas.getDocumentElement(mutation.target), toSet = mutation.target.data !== utils.unicode.ZWS ? mutation.target.data : ''; @@ -171,10 +207,6 @@ $.extend(Canvas.prototype, { element.toggleHighlight(toggle); }, - createNodeElement: function(params) { - return documentElement.DocumentNodeElement.create(params, this); - }, - getDocumentElement: function(from) { /* globals HTMLElement, Text */ if(from instanceof HTMLElement || from instanceof Text) { @@ -194,13 +226,20 @@ $.extend(Canvas.prototype, { return this.getDocumentElement(this.wrapper.find('.current-text-element')[0]); }, - + contains: function(element) { + return element.dom().parents().index(this.wrapper) !== -1; + }, setCurrentElement: function(element, params) { if(!(element instanceof documentElement.DocumentElement)) { element = utils.findCanvasElement(element); } + if(!element || !this.contains(element)) { + logger.warning('Cannot set current element: element doesn\'t exist on canvas'); + return; + } + params = _.extend({caretTo: 'end'}, params); var findFirstDirectTextChild = function(e, nodeToLand) { var byBrowser = this.getCursor().getPosition().element; @@ -222,7 +261,6 @@ $.extend(Canvas.prototype, { } else { this.wrapper.find('.current-node-element').removeClass('current-node-element'); element._container().addClass('current-node-element'); - this.publisher('currentElementChanged', element); } }.bind(this); @@ -266,12 +304,13 @@ $.extend(Canvas.prototype, { range.setStart(node, where); } - var collapseArg = true; - if(where === 'end') { - collapseArg = false; + if(where !== 'whole') { + var collapseArg = true; + if(where === 'end') { + collapseArg = false; + } + range.collapse(collapseArg); } - range.collapse(collapseArg); - var selection = document.getSelection(); selection.removeAllRanges(); @@ -299,6 +338,9 @@ $.extend(Cursor.prototype, { isSelectingWithinElement: function() { return this.isSelecting() && this.getSelectionStart().element.sameNode(this.getSelectionEnd().element); }, + isWithinElement: function() { + return !this.isSelecting() || this.isSelectingWithinElement(); + }, isSelectingSiblings: function() { return this.isSelecting() && this.getSelectionStart().element.parent().sameNode(this.getSelectionEnd().element.parent()); }, @@ -331,25 +373,21 @@ $.extend(Cursor.prototype, { return { element: anchorElement, offset: selection.anchorOffset, - offsetAtBeginning: selection.anchorOffset === 0, - offsetAtEnd: selection.anchorNode.data.length === selection.anchorOffset + offsetAtBeginning: selection.anchorOffset === 0 || anchorElement.getText() === '', + offsetAtEnd: selection.anchorNode.data.length === selection.anchorOffset || anchorElement.getText() === '' }; } if(which === 'focus') { return { element: focusElement, offset: selection.focusOffset, - offsetAtBeginning: selection.focusOffset === 0, - offsetAtEnd: selection.focusNode.data.length === selection.focusOffset + offsetAtBeginning: selection.focusOffset === 0 || focusElement.getText() === '', + offsetAtEnd: selection.focusNode.data.length === selection.focusOffset || focusElement.getText() === '', }; } - var element, - offset; - - if(anchorElement.parent().sameNode(focusElement.parent())) { - var parent = anchorElement.parent(), - anchorFirst = parent.childIndex(anchorElement) < parent.childIndex(focusElement); + var getPlaceData = function(anchorFirst) { + var element, offset; if(anchorFirst) { if(which === 'start') { element = anchorElement; @@ -369,23 +407,31 @@ $.extend(Cursor.prototype, { offset = selection.anchorOffset; } } - } else { - // TODO: Handle order via https://developer.mozilla.org/en-US/docs/Web/API/Node.compareDocumentPosition - if(which === 'start') { - element = anchorElement; - offset = selection.anchorOffset; + return {element: element, offset: offset}; + }; + + var anchorFirst, placeData, parent; + + if(anchorElement.parent().sameNode(focusElement.parent())) { + parent = anchorElement.parent(); + if(selection.anchorNode === selection.focusNode) { + anchorFirst = selection.anchorOffset <= selection.focusOffset; } else { - element = focusElement; - offset = selection.focusOffset; + anchorFirst = parent.childIndex(anchorElement) < parent.childIndex(focusElement); } + placeData = getPlaceData(anchorFirst); + } else { + /*jshint bitwise: false*/ + anchorFirst = selection.anchorNode.compareDocumentPosition(selection.focusNode) & Node.DOCUMENT_POSITION_FOLLOWING; + placeData = getPlaceData(anchorFirst); } - var nodeLen = (element.sameNode(focusElement) ? selection.focusNode : selection.anchorNode).length; + var nodeLen = (placeData.element.sameNode(focusElement) ? selection.focusNode : selection.anchorNode).length; return { - element: element, - offset: offset, - offsetAtBeginning: offset === 0, - offsetAtEnd: nodeLen === offset + element: placeData.element, + offset: placeData.offset, + offsetAtBeginning: placeData.offset === 0 || focusElement.getText() === '', + offsetAtEnd: nodeLen === placeData.offset || focusElement.getText() === '' }; } });