xquared.js

软件的主要特点: 1.专门针对有"验证码"要求的论坛. 2.可以完成如下功能: 自动发布新帖,自动回复指定帖,自动注册论坛帐号 (所有操作不能同时针对一个网站,因为有"验证码"要求的网站是每次打开一个

			if(!text) return;
			
			this.rdom.deleteSelection();
			
			var a = this.rdom.createElement('A');
			a.href = url;
			a.title = title;
			a.appendChild(this.rdom.createTextNode(text));
			this.rdom.insertNode(a);
		}
		
		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);
		
		return true;
	},
	
	/**
	 * Called when enter key pressed.
	 *
	 * @param {boolean} skipAutocorrection if set true, skips autocorrection
	 * @param {boolean} forceInsertParagraph if set true, inserts paragraph
	 */
	handleEnter: function(skipAutocorrection, forceInsertParagraph) {
		// If it has selection, perform default action.
		if(this.rdom.hasSelection()) return false;
		
		// Perform autocorrection
		if(!skipAutocorrection && this.handleAutocorrection()) return true;
		
		var atEmptyBlock = this.rdom.isCaretAtEmptyBlock();
		var atStart = atEmptyBlock || this.rdom.isCaretAtBlockStart();
		var atEnd = atEmptyBlock || (!atStart && this.rdom.isCaretAtBlockEnd());
		var atEdge = atEmptyBlock || atStart || atEnd;
		
		if(!atEdge) {
			var block = this.rdom.getCurrentBlockElement();
			var marker = this.rdom.pushMarker();
			
			if(this.rdom.isFirstLiWithNestedList(block) && !forceInsertParagraph) {
				var parent = block.parentNode;
				this.rdom.unwrapElement(block);
				block = parent;
			} else if(block.nodeName != "LI" && this.rdom.tree.isBlockContainer(block)) {
				block = this.rdom.wrapAllInlineOrTextNodesAs("P", block, true).first();
			}
			this.rdom.splitElementUpto(marker, block);
			
			this.rdom.popMarker(true);
		} else if(atEmptyBlock) {
			this._handleEnterAtEmptyBlock();
		} else {
			this._handleEnterAtEdge(atStart, forceInsertParagraph);
		}
		
		return true;
	},
	
	/**
	 * Moves current block upward or downward
	 *
	 * @param {boolean} up moves current block upward
	 */
	handleMoveBlock: function(up) {
		var block = this.rdom.moveBlock(this.rdom.getCurrentBlockElement(), up);
		if(block) {
			this.rdom.selectElement(block, false);
			block.scrollIntoView(false);
			
			var historyAdded = this.editHistory.onCommand();
			this._fireOnCurrentContentChanged(this);
		}
		return true;
	},
	
	/**
	 * Called when tab key pressed
	 */
	handleTab: function() {
		var hasSelection = this.rdom.hasSelection();
		var table = this.rdom.getParentElementOf(this.rdom.getCurrentBlockElement(), ["TABLE"]);
		
		if(hasSelection) {
			this.handleIndent();
		} else if (table && table.className == "datatable") {
			this.handleMoveToNextCell();
		} else if (this.rdom.isCaretAtBlockStart()) {
			this.handleIndent();
		} else {
			this.handleInsertTab();
		}

		return true;
	},
	
	/**
	 * Called when shift+tab key pressed
	 */
	handleShiftTab: function() {
		var hasSelection = this.rdom.hasSelection();
		var table = this.rdom.getParentElementOf(this.rdom.getCurrentBlockElement(), ["TABLE"]);
		
		if(hasSelection) {
			this.handleOutdent();
		} else if (table && table.className == "datatable") {
			this.handleMoveToPreviousCell();
		} else {
			this.handleOutdent();
		}
		
		return true;
	},
	
	/**
	 * Inserts three non-breaking spaces
	 */
	handleInsertTab: function() {
		this.rdom.insertHtml(' ');
		this.rdom.insertHtml(' ');
		this.rdom.insertHtml(' ');
		
		return true;
	},
	
	/**
	 * Called when delete key pressed
	 */
	handleDelete: function() {
		if(this.rdom.hasSelection() || !this.rdom.isCaretAtBlockEnd()) return false;
		return this._handleMerge(true);
	},
	
	/**
	 * Called when backspace key pressed
	 */
	handleBackspace: function() {
		if(this.rdom.hasSelection() || !this.rdom.isCaretAtBlockStart()) return false;
		return this._handleMerge(false);
	},
	
	_handleMerge: function(withNext) {
		var block = this.rdom.getCurrentBlockElement();
		
		// save caret position;
		var marker = this.rdom.pushMarker();
		
		// perform merge
		var merged = this.rdom.mergeElement(block, withNext, withNext);
		if(!merged && !withNext) this.rdom.extractOutElementFromParent(block);
		
		// restore caret position
		this.rdom.popMarker(true);
		if(merged) this.rdom.correctEmptyElement(merged);
		
		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);
		
		return !!merged;
	},
	
	/**
	 * (in table) Moves caret to the next cell
	 */
	handleMoveToNextCell: function() {
		this._handleMoveToCell("next");
	},

	/**
	 * (in table) Moves caret to the previous cell
	 */
	handleMoveToPreviousCell: function() {
		this._handleMoveToCell("prev");
	},

	/**
	 * (in table) Moves caret to the above cell
	 */
	handleMoveToAboveCell: function() {
		this._handleMoveToCell("above");
	},

	/**
	 * (in table) Moves caret to the below cell
	 */
	handleMoveToBelowCell: function() {
		this._handleMoveToCell("below");
	},

	_handleMoveToCell: function(dir) {
		var block = this.rdom.getCurrentBlockElement();
		var cell = this.rdom.getParentElementOf(block, ["TD", "TH"]);
		var table = this.rdom.getParentElementOf(cell, ["TABLE"]);
		var rtable = new xq.RichTable(this.rdom, table);
		var target = null;
		
		if(["next", "prev"].indexOf(dir) != -1) {
			var toNext = dir == "next";
			target = toNext ? rtable.getNextCellOf(cell) : rtable.getPreviousCellOf(cell);
		} else {
			var toBelow = dir == "below";
			target = toBelow ? rtable.getBelowCellOf(cell) : rtable.getAboveCellOf(cell);
		}

		if(!target) {
			var finder = function(node) {return ['TD', 'TH'].indexOf(node.nodeName) == -1 && this.tree.isBlock(node) && !this.tree.hasBlocks(node);}.bind(this.rdom);
			var exitCondition = function(node) {return this.tree.isBlock(node) && !this.tree.isDescendantOf(this.getRoot(), node)}.bind(this.rdom);
			
			target = (toNext || toBelow) ? 
				this.rdom.tree.findForward(cell, finder, exitCondition) :
				this.rdom.tree.findBackward(table, finder, exitCondition);
		}
		
		if(target) this.rdom.placeCaretAtStartOf(target);
	},
	
	/**
	 * Applies STRONG tag
	 */
	handleStrongEmphasis: function() {
		this.rdom.applyStrongEmphasis();
		
		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);
		
		return true;
	},
	
	/**
	 * Applies EM tag
	 */
	handleEmphasis: function() {
		this.rdom.applyEmphasis();
		
		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);
		
		return true;
	},
	
	/**
	 * Applies EM.underline tag
	 */
	handleUnderline: function() {
		this.rdom.applyUnderline();
		
		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);
		
		return true;
	},
	
	/**
	 * Applies SPAN.strike tag
	 */
	handleStrike: function() {
		this.rdom.applyStrike();

		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);

		return true;
	},
	
	/**
	 * Removes all style
	 */
	handleRemoveFormat: function() {
		this.rdom.applyRemoveFormat();

		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);

		return true;
	},
	
	/**
	 * Inserts table
	 *
	 * @param {Number} cols number of columns
	 * @param {Number} rows number of rows
	 * @param {String} headerPosition position of THs. "T" or "L" or "TL". "T" means top, "L" means left.
	 */
	handleTable: function(cols, rows, headerPositions) {
		var cur = this.rdom.getCurrentBlockElement();
		if(this.rdom.getParentElementOf(cur, ["TABLE"])) return true;
		
		var rtable = xq.RichTable.create(this.rdom, cols, rows, headerPositions);
		if(this.rdom.tree.isBlockContainer(cur)) {
			var wrappers = this.rdom.wrapAllInlineOrTextNodesAs("P", cur, true);
			cur = wrappers.last();
		}
		var tableDom = this.rdom.insertNodeAt(rtable.getDom(), cur, "after");
		this.rdom.placeCaretAtStartOf(rtable.getCellAt(0, 0));
		
		if(this.rdom.isEmptyBlock(cur)) this.rdom.deleteNode(cur, true);
		
		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);
		
		return true;
	},
	
	handleInsertNewRowAt: function(where) {
		var cur = this.rdom.getCurrentBlockElement();
		var tr = this.rdom.getParentElementOf(cur, ["TR"]);
		if(!tr) return true;
		
		var table = this.rdom.getParentElementOf(tr, ["TABLE"]);
		var rtable = new xq.RichTable(this.rdom, table);
		var row = rtable.insertNewRowAt(tr, where);
		
		this.rdom.placeCaretAtStartOf(row.cells[0]);
		return true;
	},
	handleInsertNewColumnAt: function(where) {
		var cur = this.rdom.getCurrentBlockElement();
		var td = this.rdom.getParentElementOf(cur, ["TD"], true);
		if(!td) return true;
		
		var table = this.rdom.getParentElementOf(td, ["TABLE"]);
		var rtable = new xq.RichTable(this.rdom, table);
		rtable.insertNewCellAt(td, where);
		
		this.rdom.placeCaretAtStartOf(cur);
		return true;
	},
	
	handleDeleteRow: function() {
		var cur = this.rdom.getCurrentBlockElement();
		var tr = this.rdom.getParentElementOf(cur, ["TR"]);
		if(!tr) return true;

		var table = this.rdom.getParentElementOf(tr, ["TABLE"]);
		var rtable = new xq.RichTable(this.rdom, table);
		var blockToMove = rtable.deleteRow(tr);
		
		this.rdom.placeCaretAtStartOf(blockToMove);
		return true;
	},
	
	handleDeleteColumn: function() {
		var cur = this.rdom.getCurrentBlockElement();
		var td = this.rdom.getParentElementOf(cur, ["TD"], true);
		if(!td) return true;

		var table = this.rdom.getParentElementOf(td, ["TABLE"]);
		var rtable = new xq.RichTable(this.rdom, table);
		rtable.deleteCell(td);

		return true;
	},
	
	/**
	 * Performs block indentation
	 */
	handleIndent: function() {
		if(this.rdom.hasSelection()) {
			var blocks = this.rdom.getBlockElementsAtSelectionEdge(true, true);
			if(blocks.first() != blocks.last()) {
				var affected = this.rdom.indentElements(blocks.first(), blocks.last());
				this.rdom.selectBlocksBetween(affected.first(), affected.last());
				
				var historyAdded = this.editHistory.onCommand();
				this._fireOnCurrentContentChanged(this);
				
				return true;
			}
		}
		
		var block = this.rdom.getCurrentBlockElement();
		var affected = this.rdom.indentElement(block);
		
		if(affected) {
			this.rdom.placeCaretAtStartOf(affected);
			
			var historyAdded = this.editHistory.onCommand();
			this._fireOnCurrentContentChanged(this);
		}
		
		return true;
	},

	/**
	 * Performs block outdentation
	 */
	handleOutdent: function() {
		if(this.rdom.hasSelection()) {
			var blocks = this.rdom.getBlockElementsAtSelectionEdge(true, true);
			if(blocks.first() != blocks.last()) {
				var affected = this.rdom.outdentElements(blocks.first(), blocks.last());
				this.rdom.selectBlocksBetween(affected.first(), affected.last());
				
				var historyAdded = this.editHistory.onCommand();
				this._fireOnCurrentContentChanged(this);
				
				return true;
			}
		}
		
		var block = this.rdom.getCurrentBlockElement();
		var affected = this.rdom.outdentElement(block);
		
		if(affected) {
			this.rdom.placeCaretAtStartOf(affected);

			var historyAdded = this.editHistory.onCommand();
			this._fireOnCurrentContentChanged(this);
		}
		
		return true;
	},
	
	/**
	 * Applies list.
	 *
	 * @param {String} type "UL" or "OL" or "CODE". CODE generates OL.code
	 */
	handleList: function(type) {
		if(this.rdom.hasSelection()) {
			var blocks = this.rdom.getBlockElementsAtSelectionEdge(true, true);
			if(blocks.first() != blocks.last()) {
				blocks = this.rdom.applyLists(blocks.first(), blocks.last(), type);
			} else {
				blocks[0] = blocks[1] = this.rdom.applyList(blocks.first(), type);
			}
			this.rdom.selectBlocksBetween(blocks.first(), blocks.last());
		} else {
			var block = this.rdom.applyList(this.rdom.getCurrentBlockElement(), type);
			this.rdom.placeCaretAtStartOf(block);
		}
		var historyAdded = this.editHistory.onCommand();
		this._fireOnCurrentContentChanged(this);
		
		return true;
	},
	
	/**
	 * Applies justification
	 *
	 * @param {String} dir "left", "center", "right" or "both"
	 */
	handleJustify: function(dir) {
		var block = this.rdom.getCurrentBlockElement();
		var dir = (dir == "left" || dir == "both") && (block.style.textAlign == "left" || block.style.textAlign == "") ? "both" : dir;
		
		if(this.rdom.hasSelection()) {
			var blocks = this.rdom.getSelectedBlockElements();
			this.rdom.justifyBlocks(blocks, dir);
			this.rdom.selectBlocksBetween(blocks.first(), blocks.last());
		} else {
			this.rdom.justifyBlock(block, dir);
		}
		var historyAdded = this.editHistory.onC