'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, Node:false */
-var TextHandler = function(canvas) {this.canvas = canvas; this.buffer = null};
+var logger = logging.getLogger('canvas');
+
+var TextHandler = function(canvas) {this.canvas = canvas; this.buffer = null;};
$.extend(TextHandler.prototype, {
handle: function(node, text) {
- //console.log('canvas text handler: ' + text);
this.setText(text, node);
- return;
- if(!this.node) {
- this.node = node;
- }
- if(this.node.sameNode(node)) {
- this._ping(text);
- } else {
- this.flush();
- this.node = node;
- this._ping(text);
- }
+ // return;
+ // if(!this.node) {
+ // this.node = node;
+ // }
+ // if(this.node.sameNode(node)) {
+ // this._ping(text);
+ // } else {
+ // this.flush();
+ // this.node = node;
+ // this._ping(text);
+ // }
},
_ping: _.throttle(function(text) {
this.buffer = text;
this.flush();
}, 1000),
flush: function() {
- if(this.buffer != null) {
+ if(this.buffer !== null) {
this.setText(this.buffer, this.node);
this.buffer = null;
}
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() {
- var canvasDOM = this.generateCanvasDOM(this.wlxmlDocument.root);
- //var canvasDOM = this.wlxmlDocument.root.getData('canvasElement') ? this.wlxmlDocument.root.getData('canvasElement').dom() : this.generateCanvasDOM(this.wlxmlDocument.root);
+ createElement: function(wlxmlNode) {
+ var Factory = wlxmlNode.nodeType === Node.TEXT_NODE ? documentElement.DocumentTextElement : documentElement.DocumentNodeElement;
+ return new Factory(wlxmlNode, this);
+ },
- this.wrapper.empty();
- this.wrapper.append(canvasDOM);
- this.d = this.wrapper.children(0);
+ getDocumentElement: function(htmlElement) {
+ /* globals HTMLElement, Text */
+ if(!htmlElement || !(htmlElement instanceof HTMLElement || htmlElement instanceof Text)) {
+ return null;
+ }
+ var $element = $(htmlElement);
+ if(htmlElement.nodeType === Node.ELEMENT_NODE && $element.attr('document-node-element') !== undefined) {
+ return $element.data('canvas-element');
+ }
+
+ if(htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined) {
+ $element = $element.parent();
+ }
+
+ if($element.attr('document-text-element') !== undefined || (htmlElement.nodeType === Node.TEXT_NODE && $element.parent().attr('document-text-element') !== undefined)) {
+ //return DocumentTextElement.fromHTMLElement(htmlElement, canvas);
+ return $element.data('canvas-element');
+ }
},
- generateCanvasDOM: function(wlxmlNode) {
- var element = documentElement.DocumentNodeElement.create(wlxmlNode, this);
- return element.dom();
+ reloadRoot: function() {
+ this.rootElement = this.createElement(this.wlxmlDocument.root);
+ this.wrapper.empty();
+ this.wrapper.append(this.rootElement.dom());
},
setupEventHandling: 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) {
mutations.forEach(function(mutation) {
if(documentElement.DocumentTextElement.isContentContainer(mutation.target)) {
observer.disconnect();
- if(mutation.target.data === '')
+ if(mutation.target.data === '') {
mutation.target.data = utils.unicode.ZWS;
+ }
else if(mutation.oldValue === utils.unicode.ZWS) {
mutation.target.data = mutation.target.data.replace(utils.unicode.ZWS, '');
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 : '';
//textElement.data('wlxmlNode').setText(toSet);
//textElement.data('wlxmlNode').document.transform('setText', {node: textElement.data('wlxmlNode'), text: toSet});
- if(textElement.data('wlxmlNode').getText() != toSet) {
- canvas.textHandler.handle(textElement.data('wlxmlNode'), toSet);
+ if(textElement.wlxmlNode.getText() !== toSet) {
+ canvas.textHandler.handle(textElement.wlxmlNode, toSet);
}
}
});
this.wrapper.on('mouseover', '[document-node-element], [document-text-element]', function(e) {
var el = canvas.getDocumentElement(e.currentTarget);
- if(!el)
+ if(!el) {
return;
+ }
e.stopPropagation();
- if(el instanceof documentElement.DocumentTextElement)
+ if(el instanceof documentElement.DocumentTextElement) {
el = el.parent();
+ }
el.toggleLabel(true);
});
this.wrapper.on('mouseout', '[document-node-element], [document-text-element]', function(e) {
var el = canvas.getDocumentElement(e.currentTarget);
- if(!el)
+ if(!el) {
return;
+ }
e.stopPropagation();
- if(el instanceof documentElement.DocumentTextElement)
+ if(el instanceof documentElement.DocumentTextElement) {
el = el.parent();
+ }
el.toggleLabel(false);
});
},
doc: function() {
- if(this.d === null)
- return null;
- return documentElement.DocumentNodeElement.fromHTMLElement(this.d.get(0), this); //{wlxmlTag: this.d.prop('tagName')};
+ return this.rootElement;
},
toggleElementHighlight: function(node, toggle) {
element.toggleHighlight(toggle);
},
- createNodeElement: function(params) {
- return documentElement.DocumentNodeElement.create(params, this);
- },
-
- getDocumentElement: function(from) {
- if(from instanceof HTMLElement || from instanceof Text) {
- return documentElement.DocumentElement.fromHTMLElement(from, this);
- }
- },
getCursor: function() {
return new Cursor(this);
},
getCurrentNodeElement: function() {
- return this.getDocumentElement(this.wrapper.find('.current-node-element').parent()[0]);
+ var htmlElement = this.wrapper.find('.current-node-element').parent()[0];
+ if(htmlElement) {
+ return this.getDocumentElement(htmlElement);
+ }
},
getCurrentTextElement: function() {
- return this.getDocumentElement(this.wrapper.find('.current-text-element')[0]);
+ var htmlElement = this.wrapper.find('.current-text-element')[0];
+ if(htmlElement) {
+ return this.getDocumentElement(htmlElement);
+ }
},
-
+ contains: function(element) {
+ return element.dom().parents().index(this.wrapper) !== -1;
+ },
setCurrentElement: function(element, params) {
+ if(!element) {
+ logger.debug('Invalid element passed to setCurrentElement: ' + element);
+ return;
+ }
+
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;
- if(byBrowser && byBrowser.parent().sameNode(nodeToLand))
+ if(byBrowser && byBrowser.parent().sameNode(nodeToLand)) {
return byBrowser;
+ }
var children = e.children();
for(var i = 0; i < children.length; i++) {
- if(children[i] instanceof documentElement.DocumentTextElement)
+ if(children[i] instanceof documentElement.DocumentTextElement) {
return children[i];
+ }
}
return null;
}.bind(this);
this.wrapper.find('.current-text-element').removeClass('current-text-element');
element.dom().addClass('current-text-element');
} else {
- this.wrapper.find('.current-node-element').removeClass('current-node-element')
+ this.wrapper.find('.current-node-element').removeClass('current-node-element');
element._container().addClass('current-node-element');
- this.publisher('currentElementChanged', element);
}
}.bind(this);
currentTextElement = this.getCurrentTextElement(),
currentNodeElement = this.getCurrentNodeElement();
- if(currentTextElement && !(currentTextElement.sameNode(textElementToLand)))
+ if(currentTextElement && !(currentTextElement.sameNode(textElementToLand))) {
this.wrapper.find('.current-text-element').removeClass('current-text-element');
+ }
if(textElementToLand) {
_markAsCurrent(textElementToLand);
- if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element))
+ if(params.caretTo || !textElementToLand.sameNode(this.getCursor().getPosition().element)) {
this._moveCaretToTextElement(textElementToLand, params.caretTo); // as method on element?
- if(!(textElementToLand.sameNode(currentTextElement)))
- this.publisher('currentTextElementSet', textElementToLand.data('wlxmlNode'));
+ }
+ if(!(textElementToLand.sameNode(currentTextElement))) {
+ this.publisher('currentTextElementSet', textElementToLand.wlxmlNode);
+ }
} else {
document.getSelection().removeAllRanges();
}
if(!(currentNodeElement && currentNodeElement.sameNode(nodeElementToLand))) {
_markAsCurrent(nodeElementToLand);
- this.publisher('currentNodeElementSet', nodeElementToLand.data('wlxmlNode'));
+ this.publisher('currentNodeElementSet', nodeElementToLand.wlxmlNode);
}
},
range.setStart(node, where);
}
- var collapseArg = true;
- if(where === 'end')
- collapseArg = false;
- range.collapse(collapseArg);
-
+ if(where !== 'whole') {
+ var collapseArg = true;
+ if(where === 'end') {
+ collapseArg = false;
+ }
+ range.collapse(collapseArg);
+ }
var selection = document.getSelection();
selection.removeAllRanges();
},
setCursorPosition: function(position) {
- if(position.element)
+ if(position.element) {
this._moveCaretToTextElement(position.element, position.offset);
+ }
}
});
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 this.getSelectionBoundry('focus');
},
getSelectionBoundry: function(which) {
+ /* globals window */
var selection = window.getSelection(),
anchorElement = this.canvas.getDocumentElement(selection.anchorNode),
focusElement = this.canvas.getDocumentElement(selection.focusNode);
- if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement)
+ if((!anchorElement) || (anchorElement instanceof documentElement.DocumentNodeElement) || (!focusElement) || focusElement instanceof documentElement.DocumentNodeElement) {
return {};
+ }
if(which === 'anchor') {
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
+ offset = selection.anchorOffset;
}
else if(which === 'end') {
- element = focusElement,
- offset = selection.focusOffset
+ element = focusElement;
+ offset = selection.focusOffset;
}
} else {
if(which === 'start') {
- element = focusElement,
- offset = selection.focusOffset
+ element = focusElement;
+ offset = selection.focusOffset;
}
else if(which === 'end') {
element = anchorElement;
- offset = selection.anchorOffset
+ 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() === ''
+ };
}
-})
+});
return {
fromXMLDocument: function(wlxmlDocument, publisher) {
fnp / fnpeditor.git / blobdiff