Current File : /var/www/crm/include/javascript/tiny_mce/classes/dom/Selection.js
/**
* Selection.js
*
* Copyright 2009, Moxiecode Systems AB
* Released under LGPL License.
*
* License: http://tinymce.moxiecode.com/license
* Contributing: http://tinymce.moxiecode.com/contributing
*/
(function(tinymce) {
function trimNl(s) {
return s.replace(/[\n\r]+/g, '');
};
// Shorten names
var is = tinymce.is, isIE = tinymce.isIE, each = tinymce.each;
/**
* This class handles text and control selection it's an crossbrowser utility class.
* Consult the TinyMCE Wiki API for more details and examples on how to use this class.
*
* @class tinymce.dom.Selection
* @example
* // Getting the currently selected node for the active editor
* alert(tinymce.activeEditor.selection.getNode().nodeName);
*/
tinymce.create('tinymce.dom.Selection', {
/**
* Constructs a new selection instance.
*
* @constructor
* @method Selection
* @param {tinymce.dom.DOMUtils} dom DOMUtils object reference.
* @param {Window} win Window to bind the selection object to.
* @param {tinymce.dom.Serializer} serializer DOM serialization class to use for getContent.
*/
Selection : function(dom, win, serializer) {
var t = this;
t.dom = dom;
t.win = win;
t.serializer = serializer;
// Add events
each([
/**
* This event gets executed before contents is extracted from the selection.
*
* @event onBeforeSetContent
* @param {tinymce.dom.Selection} selection Selection object that fired the event.
* @param {Object} args Contains things like the contents that will be returned.
*/
'onBeforeSetContent',
/**
* This event gets executed before contents is inserted into selection.
*
* @event onBeforeGetContent
* @param {tinymce.dom.Selection} selection Selection object that fired the event.
* @param {Object} args Contains things like the contents that will be inserted.
*/
'onBeforeGetContent',
/**
* This event gets executed when contents is inserted into selection.
*
* @event onSetContent
* @param {tinymce.dom.Selection} selection Selection object that fired the event.
* @param {Object} args Contains things like the contents that will be inserted.
*/
'onSetContent',
/**
* This event gets executed when contents is extracted from the selection.
*
* @event onGetContent
* @param {tinymce.dom.Selection} selection Selection object that fired the event.
* @param {Object} args Contains things like the contents that will be returned.
*/
'onGetContent'
], function(e) {
t[e] = new tinymce.util.Dispatcher(t);
});
// No W3C Range support
if (!t.win.getSelection)
t.tridentSel = new tinymce.dom.TridentSelection(t);
if (tinymce.isIE && dom.boxModel)
this._fixIESelection();
// Prevent leaks
tinymce.addUnload(t.destroy, t);
},
/**
* Move the selection cursor range to the specified node and offset.
* @param node Node to put the cursor in.
* @param offset Offset from the start of the node to put the cursor at.
*/
setCursorLocation: function(node, offset) {
var t = this; var r = t.dom.createRng();
r.setStart(node, offset);
r.setEnd(node, offset);
t.setRng(r);
t.collapse(false);
},
/**
* Returns the selected contents using the DOM serializer passed in to this class.
*
* @method getContent
* @param {Object} s Optional settings class with for example output format text or html.
* @return {String} Selected contents in for example HTML format.
* @example
* // Alerts the currently selected contents
* alert(tinyMCE.activeEditor.selection.getContent());
*
* // Alerts the currently selected contents as plain text
* alert(tinyMCE.activeEditor.selection.getContent({format : 'text'}));
*/
getContent : function(s) {
var t = this, r = t.getRng(), e = t.dom.create("body"), se = t.getSel(), wb, wa, n;
s = s || {};
wb = wa = '';
s.get = true;
s.format = s.format || 'html';
s.forced_root_block = '';
t.onBeforeGetContent.dispatch(t, s);
if (s.format == 'text')
return t.isCollapsed() ? '' : (r.text || (se.toString ? se.toString() : ''));
if (r.cloneContents) {
n = r.cloneContents();
if (n)
e.appendChild(n);
} else if (is(r.item) || is(r.htmlText))
e.innerHTML = r.item ? r.item(0).outerHTML : r.htmlText;
else
e.innerHTML = r.toString();
// Keep whitespace before and after
if (/^\s/.test(e.innerHTML))
wb = ' ';
if (/\s+$/.test(e.innerHTML))
wa = ' ';
s.getInner = true;
s.content = t.isCollapsed() ? '' : wb + t.serializer.serialize(e, s) + wa;
t.onGetContent.dispatch(t, s);
return s.content;
},
/**
* Sets the current selection to the specified content. If any contents is selected it will be replaced
* with the contents passed in to this function. If there is no selection the contents will be inserted
* where the caret is placed in the editor/page.
*
* @method setContent
* @param {String} content HTML contents to set could also be other formats depending on settings.
* @param {Object} args Optional settings object with for example data format.
* @example
* // Inserts some HTML contents at the current selection
* tinyMCE.activeEditor.selection.setContent('<strong>Some contents</strong>');
*/
setContent : function(content, args) {
var self = this, rng = self.getRng(), caretNode, doc = self.win.document, frag, temp;
args = args || {format : 'html'};
args.set = true;
content = args.content = content;
// Dispatch before set content event
if (!args.no_events)
self.onBeforeSetContent.dispatch(self, args);
content = args.content;
if (rng.insertNode) {
// Make caret marker since insertNode places the caret in the beginning of text after insert
content += '<span id="__caret">_</span>';
// Delete and insert new node
if (rng.startContainer == doc && rng.endContainer == doc) {
// WebKit will fail if the body is empty since the range is then invalid and it can't insert contents
doc.body.innerHTML = content;
} else {
rng.deleteContents();
if (doc.body.childNodes.length == 0) {
doc.body.innerHTML = content;
} else {
// createContextualFragment doesn't exists in IE 9 DOMRanges
if (rng.createContextualFragment) {
rng.insertNode(rng.createContextualFragment(content));
} else {
// Fake createContextualFragment call in IE 9
frag = doc.createDocumentFragment();
temp = doc.createElement('div');
frag.appendChild(temp);
temp.outerHTML = content;
rng.insertNode(frag);
}
}
}
// Move to caret marker
caretNode = self.dom.get('__caret');
// Make sure we wrap it compleatly, Opera fails with a simple select call
rng = doc.createRange();
rng.setStartBefore(caretNode);
rng.setEndBefore(caretNode);
self.setRng(rng);
// Remove the caret position
self.dom.remove('__caret');
try {
self.setRng(rng);
} catch (ex) {
// Might fail on Opera for some odd reason
}
} else {
if (rng.item) {
// Delete content and get caret text selection
doc.execCommand('Delete', false, null);
rng = self.getRng();
}
rng.pasteHTML(content);
}
// Dispatch set content event
if (!args.no_events)
self.onSetContent.dispatch(self, args);
},
/**
* Returns the start element of a selection range. If the start is in a text
* node the parent element will be returned.
*
* @method getStart
* @return {Element} Start element of selection range.
*/
getStart : function() {
var rng = this.getRng(), startElement, parentElement, checkRng, node;
if (rng.duplicate || rng.item) {
// Control selection, return first item
if (rng.item)
return rng.item(0);
// Get start element
checkRng = rng.duplicate();
checkRng.collapse(1);
startElement = checkRng.parentElement();
// Check if range parent is inside the start element, then return the inner parent element
// This will fix issues when a single element is selected, IE would otherwise return the wrong start element
parentElement = node = rng.parentElement();
while (node = node.parentNode) {
if (node == startElement) {
startElement = parentElement;
break;
}
}
return startElement;
} else {
startElement = rng.startContainer;
if (startElement.nodeType == 1 && startElement.hasChildNodes())
startElement = startElement.childNodes[Math.min(startElement.childNodes.length - 1, rng.startOffset)];
if (startElement && startElement.nodeType == 3)
return startElement.parentNode;
return startElement;
}
},
/**
* Returns the end element of a selection range. If the end is in a text
* node the parent element will be returned.
*
* @method getEnd
* @return {Element} End element of selection range.
*/
getEnd : function() {
var t = this, r = t.getRng(), e, eo;
if (r.duplicate || r.item) {
if (r.item)
return r.item(0);
r = r.duplicate();
r.collapse(0);
e = r.parentElement();
if (e && e.nodeName == 'BODY')
return e.lastChild || e;
return e;
} else {
e = r.endContainer;
eo = r.endOffset;
if (e.nodeType == 1 && e.hasChildNodes())
e = e.childNodes[eo > 0 ? eo - 1 : eo];
if (e && e.nodeType == 3)
return e.parentNode;
return e;
}
},
/**
* Returns a bookmark location for the current selection. This bookmark object
* can then be used to restore the selection after some content modification to the document.
*
* @method getBookmark
* @param {Number} type Optional state if the bookmark should be simple or not. Default is complex.
* @param {Boolean} normalized Optional state that enables you to get a position that it would be after normalization.
* @return {Object} Bookmark object, use moveToBookmark with this object to restore the selection.
* @example
* // Stores a bookmark of the current selection
* var bm = tinyMCE.activeEditor.selection.getBookmark();
*
* tinyMCE.activeEditor.setContent(tinyMCE.activeEditor.getContent() + 'Some new content');
*
* // Restore the selection bookmark
* tinyMCE.activeEditor.selection.moveToBookmark(bm);
*/
getBookmark : function(type, normalized) {
var t = this, dom = t.dom, rng, rng2, id, collapsed, name, element, index, chr = '\uFEFF', styles;
function findIndex(name, element) {
var index = 0;
each(dom.select(name), function(node, i) {
if (node == element)
index = i;
});
return index;
};
if (type == 2) {
function getLocation() {
var rng = t.getRng(true), root = dom.getRoot(), bookmark = {};
function getPoint(rng, start) {
var container = rng[start ? 'startContainer' : 'endContainer'],
offset = rng[start ? 'startOffset' : 'endOffset'], point = [], node, childNodes, after = 0;
if (container.nodeType == 3) {
if (normalized) {
for (node = container.previousSibling; node && node.nodeType == 3; node = node.previousSibling)
offset += node.nodeValue.length;
}
point.push(offset);
} else {
childNodes = container.childNodes;
if (offset >= childNodes.length && childNodes.length) {
after = 1;
offset = Math.max(0, childNodes.length - 1);
}
point.push(t.dom.nodeIndex(childNodes[offset], normalized) + after);
}
for (; container && container != root; container = container.parentNode)
point.push(t.dom.nodeIndex(container, normalized));
return point;
};
bookmark.start = getPoint(rng, true);
if (!t.isCollapsed())
bookmark.end = getPoint(rng);
return bookmark;
};
if (t.tridentSel)
return t.tridentSel.getBookmark(type);
return getLocation();
}
// Handle simple range
if (type)
return {rng : t.getRng()};
rng = t.getRng();
id = dom.uniqueId();
collapsed = tinyMCE.activeEditor.selection.isCollapsed();
styles = 'overflow:hidden;line-height:0px';
// Explorer method
if (rng.duplicate || rng.item) {
// Text selection
if (!rng.item) {
rng2 = rng.duplicate();
try {
// Insert start marker
rng.collapse();
rng.pasteHTML('<span data-mce-type="bookmark" id="' + id + '_start" style="' + styles + '">' + chr + '</span>');
// Insert end marker
if (!collapsed) {
rng2.collapse(false);
// Detect the empty space after block elements in IE and move the end back one character <p></p>] becomes <p>]</p>
rng.moveToElementText(rng2.parentElement());
if (rng.compareEndPoints('StartToEnd', rng2) == 0)
rng2.move('character', -1);
rng2.pasteHTML('<span data-mce-type="bookmark" id="' + id + '_end" style="' + styles + '">' + chr + '</span>');
}
} catch (ex) {
// IE might throw unspecified error so lets ignore it
return null;
}
} else {
// Control selection
element = rng.item(0);
name = element.nodeName;
return {name : name, index : findIndex(name, element)};
}
} else {
element = t.getNode();
name = element.nodeName;
if (name == 'IMG')
return {name : name, index : findIndex(name, element)};
// W3C method
rng2 = rng.cloneRange();
// Insert end marker
if (!collapsed) {
rng2.collapse(false);
rng2.insertNode(dom.create('span', {'data-mce-type' : "bookmark", id : id + '_end', style : styles}, chr));
}
rng.collapse(true);
rng.insertNode(dom.create('span', {'data-mce-type' : "bookmark", id : id + '_start', style : styles}, chr));
}
t.moveToBookmark({id : id, keep : 1});
return {id : id};
},
/**
* Restores the selection to the specified bookmark.
*
* @method moveToBookmark
* @param {Object} bookmark Bookmark to restore selection from.
* @return {Boolean} true/false if it was successful or not.
* @example
* // Stores a bookmark of the current selection
* var bm = tinyMCE.activeEditor.selection.getBookmark();
*
* tinyMCE.activeEditor.setContent(tinyMCE.activeEditor.getContent() + 'Some new content');
*
* // Restore the selection bookmark
* tinyMCE.activeEditor.selection.moveToBookmark(bm);
*/
moveToBookmark : function(bookmark) {
var t = this, dom = t.dom, marker1, marker2, rng, root, startContainer, endContainer, startOffset, endOffset;
if (bookmark) {
if (bookmark.start) {
rng = dom.createRng();
root = dom.getRoot();
function setEndPoint(start) {
var point = bookmark[start ? 'start' : 'end'], i, node, offset, children;
if (point) {
offset = point[0];
// Find container node
for (node = root, i = point.length - 1; i >= 1; i--) {
children = node.childNodes;
if (point[i] > children.length - 1)
return;
node = children[point[i]];
}
// Move text offset to best suitable location
if (node.nodeType === 3)
offset = Math.min(point[0], node.nodeValue.length);
// Move element offset to best suitable location
if (node.nodeType === 1)
offset = Math.min(point[0], node.childNodes.length);
// Set offset within container node
if (start)
rng.setStart(node, offset);
else
rng.setEnd(node, offset);
}
return true;
};
if (t.tridentSel)
return t.tridentSel.moveToBookmark(bookmark);
if (setEndPoint(true) && setEndPoint()) {
t.setRng(rng);
}
} else if (bookmark.id) {
function restoreEndPoint(suffix) {
var marker = dom.get(bookmark.id + '_' + suffix), node, idx, next, prev, keep = bookmark.keep;
if (marker) {
node = marker.parentNode;
if (suffix == 'start') {
if (!keep) {
idx = dom.nodeIndex(marker);
} else {
node = marker.firstChild;
idx = 1;
}
startContainer = endContainer = node;
startOffset = endOffset = idx;
} else {
if (!keep) {
idx = dom.nodeIndex(marker);
} else {
node = marker.firstChild;
idx = 1;
}
endContainer = node;
endOffset = idx;
}
if (!keep) {
prev = marker.previousSibling;
next = marker.nextSibling;
// Remove all marker text nodes
each(tinymce.grep(marker.childNodes), function(node) {
if (node.nodeType == 3)
node.nodeValue = node.nodeValue.replace(/\uFEFF/g, '');
});
// Remove marker but keep children if for example contents where inserted into the marker
// Also remove duplicated instances of the marker for example by a split operation or by WebKit auto split on paste feature
while (marker = dom.get(bookmark.id + '_' + suffix))
dom.remove(marker, 1);
// If siblings are text nodes then merge them unless it's Opera since it some how removes the node
// and we are sniffing since adding a lot of detection code for a browser with 3% of the market isn't worth the effort. Sorry, Opera but it's just a fact
if (prev && next && prev.nodeType == next.nodeType && prev.nodeType == 3 && !tinymce.isOpera) {
idx = prev.nodeValue.length;
prev.appendData(next.nodeValue);
dom.remove(next);
if (suffix == 'start') {
startContainer = endContainer = prev;
startOffset = endOffset = idx;
} else {
endContainer = prev;
endOffset = idx;
}
}
}
}
};
function addBogus(node) {
// Adds a bogus BR element for empty block elements or just a space on IE since it renders BR elements incorrectly
if (dom.isBlock(node) && !node.innerHTML)
node.innerHTML = !isIE ? '<br data-mce-bogus="1" />' : ' ';
return node;
};
// Restore start/end points
restoreEndPoint('start');
restoreEndPoint('end');
if (startContainer) {
rng = dom.createRng();
rng.setStart(addBogus(startContainer), startOffset);
rng.setEnd(addBogus(endContainer), endOffset);
t.setRng(rng);
}
} else if (bookmark.name) {
t.select(dom.select(bookmark.name)[bookmark.index]);
} else if (bookmark.rng)
t.setRng(bookmark.rng);
}
},
/**
* Selects the specified element. This will place the start and end of the selection range around the element.
*
* @method select
* @param {Element} node HMTL DOM element to select.
* @param {Boolean} content Optional bool state if the contents should be selected or not on non IE browser.
* @return {Element} Selected element the same element as the one that got passed in.
* @example
* // Select the first paragraph in the active editor
* tinyMCE.activeEditor.selection.select(tinyMCE.activeEditor.dom.select('p')[0]);
*/
select : function(node, content) {
var t = this, dom = t.dom, rng = dom.createRng(), idx;
if (node) {
idx = dom.nodeIndex(node);
rng.setStart(node.parentNode, idx);
rng.setEnd(node.parentNode, idx + 1);
// Find first/last text node or BR element
if (content) {
function setPoint(node, start) {
var walker = new tinymce.dom.TreeWalker(node, node);
do {
// Text node
if (node.nodeType == 3 && tinymce.trim(node.nodeValue).length != 0) {
if (start)
rng.setStart(node, 0);
else
rng.setEnd(node, node.nodeValue.length);
return;
}
// BR element
if (node.nodeName == 'BR') {
if (start)
rng.setStartBefore(node);
else
rng.setEndBefore(node);
return;
}
} while (node = (start ? walker.next() : walker.prev()));
};
setPoint(node, 1);
setPoint(node);
}
t.setRng(rng);
}
return node;
},
/**
* Returns true/false if the selection range is collapsed or not. Collapsed means if it's a caret or a larger selection.
*
* @method isCollapsed
* @return {Boolean} true/false state if the selection range is collapsed or not. Collapsed means if it's a caret or a larger selection.
*/
isCollapsed : function() {
var t = this, r = t.getRng(), s = t.getSel();
if (!r || r.item)
return false;
if (r.compareEndPoints)
return r.compareEndPoints('StartToEnd', r) === 0;
return !s || r.collapsed;
},
/**
* Collapse the selection to start or end of range.
*
* @method collapse
* @param {Boolean} to_start Optional boolean state if to collapse to end or not. Defaults to start.
*/
collapse : function(to_start) {
var self = this, rng = self.getRng(), node;
// Control range on IE
if (rng.item) {
node = rng.item(0);
rng = self.win.document.body.createTextRange();
rng.moveToElementText(node);
}
rng.collapse(!!to_start);
self.setRng(rng);
},
/**
* Returns the browsers internal selection object.
*
* @method getSel
* @return {Selection} Internal browser selection object.
*/
getSel : function() {
var t = this, w = this.win;
return w.getSelection ? w.getSelection() : w.document.selection;
},
/**
* Returns the browsers internal range object.
*
* @method getRng
* @param {Boolean} w3c Forces a compatible W3C range on IE.
* @return {Range} Internal browser range object.
* @see http://www.quirksmode.org/dom/range_intro.html
* @see http://www.dotvoid.com/2001/03/using-the-range-object-in-mozilla/
*/
getRng : function(w3c) {
var t = this, s, r, elm, doc = t.win.document;
// Found tridentSel object then we need to use that one
if (w3c && t.tridentSel)
return t.tridentSel.getRangeAt(0);
try {
if (s = t.getSel())
r = s.rangeCount > 0 ? s.getRangeAt(0) : (s.createRange ? s.createRange() : doc.createRange());
} catch (ex) {
// IE throws unspecified error here if TinyMCE is placed in a frame/iframe
}
// We have W3C ranges and it's IE then fake control selection since IE9 doesn't handle that correctly yet
if (tinymce.isIE && r && r.setStart && doc.selection.createRange().item) {
elm = doc.selection.createRange().item(0);
r = doc.createRange();
r.setStartBefore(elm);
r.setEndAfter(elm);
}
// No range found then create an empty one
// This can occur when the editor is placed in a hidden container element on Gecko
// Or on IE when there was an exception
if (!r)
r = doc.createRange ? doc.createRange() : doc.body.createTextRange();
if (t.selectedRange && t.explicitRange) {
if (r.compareBoundaryPoints(r.START_TO_START, t.selectedRange) === 0 && r.compareBoundaryPoints(r.END_TO_END, t.selectedRange) === 0) {
// Safari, Opera and Chrome only ever select text which causes the range to change.
// This lets us use the originally set range if the selection hasn't been changed by the user.
r = t.explicitRange;
} else {
t.selectedRange = null;
t.explicitRange = null;
}
}
return r;
},
/**
* Changes the selection to the specified DOM range.
*
* @method setRng
* @param {Range} r Range to select.
*/
setRng : function(r) {
var s, t = this;
if (!t.tridentSel) {
s = t.getSel();
if (s) {
t.explicitRange = r;
try {
s.removeAllRanges();
} catch (ex) {
// IE9 might throw errors here don't know why
}
s.addRange(r);
t.selectedRange = s.getRangeAt(0);
}
} else {
// Is W3C Range
if (r.cloneRange) {
t.tridentSel.addRange(r);
return;
}
// Is IE specific range
try {
r.select();
} catch (ex) {
// Needed for some odd IE bug #1843306
}
}
},
/**
* Sets the current selection to the specified DOM element.
*
* @method setNode
* @param {Element} n Element to set as the contents of the selection.
* @return {Element} Returns the element that got passed in.
* @example
* // Inserts a DOM node at current selection/caret location
* tinyMCE.activeEditor.selection.setNode(tinyMCE.activeEditor.dom.create('img', {src : 'some.gif', title : 'some title'}));
*/
setNode : function(n) {
var t = this;
t.setContent(t.dom.getOuterHTML(n));
return n;
},
/**
* Returns the currently selected element or the common ancestor element for both start and end of the selection.
*
* @method getNode
* @return {Element} Currently selected element or common ancestor element.
* @example
* // Alerts the currently selected elements node name
* alert(tinyMCE.activeEditor.selection.getNode().nodeName);
*/
getNode : function() {
var t = this, rng = t.getRng(), sel = t.getSel(), elm, start = rng.startContainer, end = rng.endContainer;
// Range maybe lost after the editor is made visible again
if (!rng)
return t.dom.getRoot();
if (rng.setStart) {
elm = rng.commonAncestorContainer;
// Handle selection a image or other control like element such as anchors
if (!rng.collapsed) {
if (rng.startContainer == rng.endContainer) {
if (rng.endOffset - rng.startOffset < 2) {
if (rng.startContainer.hasChildNodes())
elm = rng.startContainer.childNodes[rng.startOffset];
}
}
// If the anchor node is a element instead of a text node then return this element
//if (tinymce.isWebKit && sel.anchorNode && sel.anchorNode.nodeType == 1)
// return sel.anchorNode.childNodes[sel.anchorOffset];
// Handle cases where the selection is immediately wrapped around a node and return that node instead of it's parent.
// This happens when you double click an underlined word in FireFox.
if (start.nodeType === 3 && end.nodeType === 3) {
function skipEmptyTextNodes(n, forwards) {
var orig = n;
while (n && n.nodeType === 3 && n.length === 0) {
n = forwards ? n.nextSibling : n.previousSibling;
}
return n || orig;
}
if (start.length === rng.startOffset) {
start = skipEmptyTextNodes(start.nextSibling, true);
} else {
start = start.parentNode;
}
if (rng.endOffset === 0) {
end = skipEmptyTextNodes(end.previousSibling, false);
} else {
end = end.parentNode;
}
if (start && start === end)
return start;
}
}
if (elm && elm.nodeType == 3)
return elm.parentNode;
return elm;
}
return rng.item ? rng.item(0) : rng.parentElement();
},
getSelectedBlocks : function(st, en) {
var t = this, dom = t.dom, sb, eb, n, bl = [];
sb = dom.getParent(st || t.getStart(), dom.isBlock);
eb = dom.getParent(en || t.getEnd(), dom.isBlock);
if (sb)
bl.push(sb);
if (sb && eb && sb != eb) {
n = sb;
while ((n = n.nextSibling) && n != eb) {
if (dom.isBlock(n))
bl.push(n);
}
}
if (eb && sb != eb)
bl.push(eb);
return bl;
},
normalize : function() {
var self = this, rng, normalized;
// Normalize only on non IE browsers for now
if (tinymce.isIE)
return;
function normalizeEndPoint(start) {
var container, offset, walker, dom = self.dom, body = dom.getRoot(), node;
container = rng[(start ? 'start' : 'end') + 'Container'];
offset = rng[(start ? 'start' : 'end') + 'Offset'];
// If the container is a document move it to the body element
if (container.nodeType === 9) {
container = container.body;
offset = 0;
}
// If the container is body try move it into the closest text node or position
// TODO: Add more logic here to handle element selection cases
if (container === body) {
// Resolve the index
if (container.hasChildNodes()) {
container = container.childNodes[Math.min(!start && offset > 0 ? offset - 1 : offset, container.childNodes.length - 1)];
offset = 0;
// Walk the DOM to find a text node to place the caret at or a BR
node = container;
walker = new tinymce.dom.TreeWalker(container, body);
do {
// Found a text node use that position
if (node.nodeType === 3) {
offset = start ? 0 : node.nodeValue.length - 1;
container = node;
break;
}
// Found a BR element that we can place the caret before
if (node.nodeName === 'BR') {
offset = dom.nodeIndex(node);
container = node.parentNode;
break;
}
} while (node = (start ? walker.next() : walker.prev()));
normalized = true;
}
}
// Set endpoint if it was normalized
if (normalized)
rng['set' + (start ? 'Start' : 'End')](container, offset);
};
rng = self.getRng();
// Normalize the end points
normalizeEndPoint(true);
if (rng.collapsed)
normalizeEndPoint();
// Set the selection if it was normalized
if (normalized) {
//console.log(self.dom.dumpRng(rng));
self.setRng(rng);
}
},
destroy : function(s) {
var t = this;
t.win = null;
// Manual destroy then remove unload handler
if (!s)
tinymce.removeUnload(t.destroy);
},
// IE has an issue where you can't select/move the caret by clicking outside the body if the document is in standards mode
_fixIESelection : function() {
var dom = this.dom, doc = dom.doc, body = doc.body, started, startRng, htmlElm;
// Make HTML element unselectable since we are going to handle selection by hand
doc.documentElement.unselectable = true;
// Return range from point or null if it failed
function rngFromPoint(x, y) {
var rng = body.createTextRange();
try {
rng.moveToPoint(x, y);
} catch (ex) {
// IE sometimes throws and exception, so lets just ignore it
rng = null;
}
return rng;
};
// Fires while the selection is changing
function selectionChange(e) {
var pointRng;
// Check if the button is down or not
if (e.button) {
// Create range from mouse position
pointRng = rngFromPoint(e.x, e.y);
if (pointRng) {
// Check if pointRange is before/after selection then change the endPoint
if (pointRng.compareEndPoints('StartToStart', startRng) > 0)
pointRng.setEndPoint('StartToStart', startRng);
else
pointRng.setEndPoint('EndToEnd', startRng);
pointRng.select();
}
} else
endSelection();
}
// Removes listeners
function endSelection() {
var rng = doc.selection.createRange();
// If the range is collapsed then use the last start range
if (startRng && !rng.item && rng.compareEndPoints('StartToEnd', rng) === 0)
startRng.select();
dom.unbind(doc, 'mouseup', endSelection);
dom.unbind(doc, 'mousemove', selectionChange);
startRng = started = 0;
};
// Detect when user selects outside BODY
dom.bind(doc, ['mousedown', 'contextmenu'], function(e) {
if (e.target.nodeName === 'HTML') {
if (started)
endSelection();
// Detect vertical scrollbar, since IE will fire a mousedown on the scrollbar and have target set as HTML
htmlElm = doc.documentElement;
if (htmlElm.scrollHeight > htmlElm.clientHeight)
return;
started = 1;
// Setup start position
startRng = rngFromPoint(e.x, e.y);
if (startRng) {
// Listen for selection change events
dom.bind(doc, 'mouseup', endSelection);
dom.bind(doc, 'mousemove', selectionChange);
dom.win.focus();
startRng.select();
}
}
});
}
});
})(tinymce);
Mini Shell