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lib/Apache/SdnFw/js/tinymce/jscripts/tiny_mce/tiny_mce_src.js  view on Meta::CPAN

							container.insertBefore(marker, nodes[offset]);
						}

						tmpRng.moveToElementText(marker);
					} else {
						// Empty node selection for example <div>|</div>
						marker = doc.createTextNode(invisibleChar);
						container.appendChild(marker);
						tmpRng.moveToElementText(marker.parentNode);
						tmpRng.collapse(TRUE);
					}

					ieRng.setEndPoint(start ? 'StartToStart' : 'EndToEnd', tmpRng);
					dom.remove(marker);
				}
			}

			// Destroy cached range
			this.destroy();

			// Setup some shorter versions
			startContainer = rng.startContainer;
			startOffset = rng.startOffset;
			endContainer = rng.endContainer;
			endOffset = rng.endOffset;
			ieRng = body.createTextRange();

			// If single element selection then try making a control selection out of it
			if (startContainer == endContainer && startContainer.nodeType == 1 && startOffset == endOffset - 1) {
				if (startOffset == endOffset - 1) {
					try {
						ctrlRng = body.createControlRange();
						ctrlRng.addElement(startContainer.childNodes[startOffset]);
						ctrlRng.select();
						ctrlRng.scrollIntoView();
						return;
					} catch (ex) {
						// Ignore
					}
				}
			}

			// Set start/end point of selection
			setEndPoint(true);
			setEndPoint();

			// Select the new range and scroll it into view
			ieRng.select();
			ieRng.scrollIntoView();
		};

		this.getRangeAt = function() {
			// Setup new range if the cache is empty
			if (!range || !tinymce.dom.RangeUtils.compareRanges(lastIERng, selection.getRng())) {
				range = getRange();

				// Store away text range for next call
				lastIERng = selection.getRng();
			}

			// IE will say that the range is equal then produce an invalid argument exception
			// if you perform specific operations in a keyup event. For example Ctrl+Del.
			// This hack will invalidate the range cache if the exception occurs
			try {
				range.startContainer.nextSibling;
			} catch (ex) {
				range = getRange();
				lastIERng = null;
			}

			// Return cached range
			return range;
		};

		this.destroy = function() {
			// Destroy cached range and last IE range to avoid memory leaks
			lastIERng = range = null;
		};

		// IE has an issue where you can't select/move the caret by clicking outside the body if the document is in standards mode
		if (selection.dom.boxModel) {
			(function() {
				var doc = dom.doc, body = doc.body, started, startRng;

				// 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();