'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, {
this.wrapper = $('<div>').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);
};
this.wlxmlListener.listenTo(wlxmlDocument);
this.wlxmlDocument = wlxmlDocument;
this.reloadRoot();
- this.setupEventHandling();
},
reloadRoot: function() {
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) {
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 : '';
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) {
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;
} else {
this.wrapper.find('.current-node-element').removeClass('current-node-element');
element._container().addClass('current-node-element');
- this.publisher('currentElementChanged', element);
}
}.bind(this);
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();
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());
},
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;
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() === ''
};
}
});