| 1 | /*
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| 2 | * file: BlockQuoteAction.js
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| 3 | *
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| 4 | * @BEGINLICENSE
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| 5 | * Copyright 2010 Brook Novak (email : [email protected])
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License as published by
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| 8 | * the Free Software Foundation; either version 2 of the License, or
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| 9 | * (at your option) any later version.
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | * You should have received a copy of the GNU General Public License
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| 15 | * along with this program; if not, write to the Free Software
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| 16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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| 17 | * @ENDLICENSE
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| 18 | */
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| 19 | // @DEPENDS: UndoMan
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| 20 | bootstrap.provides("actions.BlockQuoteAction");
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| 21 |
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| 22 | _registerAction("Blockquote", {
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| 23 |
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| 24 | /**
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| 25 | * An undoable blockquote action. Encapsulates a range with a block quote. If there is any
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| 26 | * block quotes within the range, or if the range is within a block quote, then the
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| 27 | * block quote will be removed instead.
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| 28 | *
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| 29 | * @author Brook Novak
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| 30 | *
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| 31 | * @param {Node} startNode (Optional) The starting dom node of the range to align.
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| 32 | * If not provided then the current selection will be used.
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| 33 | * If provieded must also provide endNode
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| 34 | *
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| 35 | * @param {Node} endNode (Optional) The ending dom node of the range to align. Can be the same as start node
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| 36 | * If not provided then the current selection will be used.
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| 37 | *
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| 38 | */
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| 39 | exec : function(startNode, endNode) {
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| 40 |
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| 41 | // Auto-set range if not provided.
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| 42 | if (!startNode) {
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| 43 |
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| 44 | if (!this.selBefore)
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| 45 | return; // Nothing to select
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| 46 |
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| 47 | if (this.selBefore.endNode) {
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| 48 | startNode = this.selBeforeOrdered.startNode;
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| 49 | endNode = this.selBeforeOrdered.endNode;
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| 50 | } else
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| 51 | startNode = endNode = this.selBefore.startNode;
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| 52 |
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| 53 | }
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| 54 |
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| 55 | debug.assert(endNode, "Supplied start node but not the end node");
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| 56 |
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| 57 |
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| 58 | // Is there a block quote in the given range?
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| 59 | var bq = null, ca = _getCommonAncestor(startNode, endNode, true);
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| 60 |
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| 61 | if (isBlockQuote(ca))
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| 62 | bq = ca;
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| 63 | else {
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| 64 |
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| 65 | _visitAllNodes(ca, startNode, true, function(domNode){
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| 66 |
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| 67 | if (isBlockQuote(domNode))
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| 68 | bq = domNode;
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| 69 |
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| 70 | return bq == null && domNode != endNode;
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| 71 |
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| 72 | });
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| 73 | }
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| 74 |
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| 75 | // Is the range inside a block quote?
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| 76 | if (!bq) {
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| 77 | bq = _findAncestor(ca, docBody, isBlockQuote, true)
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| 78 | ||
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| 79 | _findAncestor(startNode, ca, isBlockQuote, true); // Initial traversal will have missed these nodes
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| 80 |
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| 81 | // Check that looking outside range was ok (not venturing outside editable area)
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| 82 | if (!de.doc.isNodeEditable(bq))
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| 83 | bq = null;
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| 84 | }
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| 85 |
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| 86 | if (bq) {
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| 87 |
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| 88 | // Move block quote children outside of block quote
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| 89 | while(bq.firstChild) {
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| 90 | var migrant = bq.firstChild;
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| 91 | _execOp(_Operation.REMOVE_NODE, migrant);
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| 92 | _execOp(_Operation.INSERT_NODE, migrant, bq.parentNode, _indexInParent(bq));
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| 93 | }
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| 94 |
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| 95 | // Remove the block quote
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| 96 | _execOp(_Operation.REMOVE_NODE, bq);
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| 97 |
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| 98 | } else { // Encapsulate range with a block quote
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| 99 |
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| 100 | // Normalize containers in range and get list of all the containers
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| 101 | var containers = _getNormalizedContainerRange(startNode, endNode);
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| 102 |
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| 103 | var newbq = $createElement("blockquote");
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| 104 |
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| 105 | if (containers.length > 0 && _isValidRelationship(newbq , containers[0].parentNode)) {
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| 106 |
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| 107 | // Add the new block quote to the document
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| 108 | _execOp(_Operation.INSERT_NODE, newbq, containers[0].parentNode, _indexInParent(containers[0]));
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| 109 |
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| 110 | // Migrate containers into block quote
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| 111 | for (var i in containers) {
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| 112 | var con = containers[i];
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| 113 | _execOp(_Operation.REMOVE_NODE, con);
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| 114 | _execOp(_Operation.INSERT_NODE, con, newbq);
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| 115 | }
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| 116 |
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| 117 | }
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| 118 | }
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| 119 |
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| 120 | this.selAfter = this.selBefore;
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| 121 |
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| 122 | function isBlockQuote(domNode) {
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| 123 | return _nodeName(domNode) == "blockquote";
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| 124 | }
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| 125 | }
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| 126 | });
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| 127 |
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