Mercurial Hosting > sceditor

annotate src/plugins/undo.js @ 41:7491026f7623

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
remove isSelfClosing
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 19 Aug 2022 19:27:03 -0600
parents ea32a44b5a6e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
1 (function (sceditor) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
2 'use strict';
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
3
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
4 sceditor.plugins.undo = function () {
29
ea32a44b5a6e remove more oo
Franklin Schmidt <fschmidt@gmail.com>
parents: 4
diff changeset
5 var base = {};
0
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
6 var sourceEditor;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
7 var editor;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
8 var body;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
9 var lastInputType = '';
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
10 var charChangedCount = 0;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
11 var isInPatchedFn = false;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
12 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
13 * If currently restoring a state
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
14 * Should ignore events while it's happening
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
15 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
16 var isApplying = false;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
17 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
18 * If current selection change event has already been stored
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
19 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
20 var isSelectionChangeHandled = false;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
21
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
22 var undoLimit = 50;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
23 var undoStates = [];
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
24 var redoPosition = 0;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
25 var lastState;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
26
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
27 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
28 * Sets the editor to the specified state.
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
29 * @param {Object} state
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
30 * @private
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
31 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
32 function applyState(state) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
33 isApplying = true;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
34 editor.sourceMode(state.sourceMode);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
35
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
36 if (state.sourceMode) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
37 editor.val(state.value, false);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
38 editor.sourceEditorCaret(state.caret);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
39 } else {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
40 editor.getBody().innerHTML = state.value;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
41
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
42 var range = editor.getRangeHelper().selectedRange();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
43 setRangePositions(range, state.caret);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
44 editor.getRangeHelper().selectRange(range);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
45 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
46
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
47 editor.focus();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
48 isApplying = false;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
49 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
50
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
51 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
52 * Patches a function on the object to call store() after invocation
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
53 * @param {Object} obj
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
54 * @param {string} fn
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
55 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
56 function patch(obj, fn) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
57 var origFn = obj[fn];
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
58 obj[fn] = function () {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
59 // sourceMode calls other patched methods so need to ignore them
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
60 var ignore = isInPatchedFn;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
61
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
62 // Store caret position before any change is made
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
63 if (!ignore && !isApplying && lastState &&
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
64 editor.getRangeHelper().hasSelection()) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
65 updateLastState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
66 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
67
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
68 isInPatchedFn = true;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
69 origFn.apply(this, arguments);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
70
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
71 if (!ignore) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
72 isInPatchedFn = false;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
73
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
74 if (!isApplying) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
75 storeState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
76 lastInputType = '';
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
77 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
78 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
79 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
80 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
81
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
82 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
83 * Stores the editors current state
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
84 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
85 function storeState() {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
86 if (redoPosition) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
87 undoStates.length -= redoPosition;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
88 redoPosition = 0;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
89 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
90
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
91 if (undoLimit > 0 && undoStates.length > undoLimit) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
92 undoStates.shift();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
93 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
94
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
95 lastState = {};
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
96 updateLastState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
97 undoStates.push(lastState);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
98 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
99
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
100 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
101 * Updates the last saved state with the editors current state
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
102 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
103 function updateLastState() {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
104 var sourceMode = editor.sourceMode();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
105 lastState.caret = sourceMode ? editor.sourceEditorCaret() :
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
106 getRangePositions(editor.getRangeHelper().selectedRange());
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
107 lastState.sourceMode = sourceMode;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
108 lastState.value = sourceMode ?
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
109 editor.getSourceEditorValue(false) :
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
110 editor.getBody().innerHTML;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
111 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
112
29
ea32a44b5a6e remove more oo
Franklin Schmidt <fschmidt@gmail.com>
parents: 4
diff changeset
113 base.init = function (ed) {
ea32a44b5a6e remove more oo
Franklin Schmidt <fschmidt@gmail.com>
parents: 4
diff changeset
114 editor = ed;
0
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
115
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
116 undoLimit = editor.undoLimit || undoLimit;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
117
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
118 editor.addShortcut('ctrl+z', base.undo);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
119 editor.addShortcut('ctrl+shift+z', base.redo);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
120 editor.addShortcut('ctrl+y', base.redo);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
121 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
122
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
123 function documentSelectionChangeHandler() {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
124 if (sourceEditor === document.activeElement) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
125 base.signalSelectionchangedEvent();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
126 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
127 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
128
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
129 base.signalReady = function () {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
130 sourceEditor = editor.getContentAreaContainer().nextSibling;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
131 body = editor.getBody();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
132
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
133 // Store initial state
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
134 storeState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
135
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
136 // Patch methods that allow inserting content into the editor
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
137 // programmatically
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
138 // TODO: remove this when there is a built in event to handle it
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
139 patch(editor, 'setWysiwygEditorValue');
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
140 patch(editor, 'setSourceEditorValue');
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
141 patch(editor, 'sourceEditorInsertText');
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
142 patch(editor.getRangeHelper(), 'insertNode');
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
143 patch(editor, 'toggleSourceMode');
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
144
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
145 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
146 * Handles the before input event so can override built in
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
147 * undo / redo
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
148 * @param {InputEvent} e
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
149 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
150 function beforeInputHandler(e) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
151 if (e.inputType === 'historyUndo') {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
152 base.undo();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
153 e.preventDefault();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
154 } else if (e.inputType === 'historyRedo') {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
155 base.redo();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
156 e.preventDefault();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
157 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
158 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
159
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
160 body.addEventListener('beforeinput', beforeInputHandler);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
161 sourceEditor.addEventListener('beforeinput', beforeInputHandler);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
162
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
163 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
164 * Should always store state at the end of composing
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
165 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
166 function compositionHandler() {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
167 lastInputType = '';
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
168 storeState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
169 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
170 body.addEventListener('compositionend', compositionHandler);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
171 sourceEditor.addEventListener('compositionend', compositionHandler);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
172
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
173 // Chrome doesn't trigger selectionchange on textarea so need to
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
174 // listen to global event
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
175 document.addEventListener('selectionchange',
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
176 documentSelectionChangeHandler);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
177 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
178
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
179 base.destroy = function () {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
180 document.removeEventListener('selectionchange',
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
181 documentSelectionChangeHandler);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
182 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
183
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
184 base.undo = function () {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
185 lastState = null;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
186
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
187 if (redoPosition < undoStates.length - 1) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
188 redoPosition++;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
189 applyState(undoStates[undoStates.length - 1 - redoPosition]);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
190 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
191
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
192 return false;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
193 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
194
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
195 base.redo = function () {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
196 if (redoPosition > 0) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
197 redoPosition--;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
198 applyState(undoStates[undoStates.length - 1 - redoPosition]);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
199 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
200
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
201 return false;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
202 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
203
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
204 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
205 * Handle the selectionchanged event so can store the last caret
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
206 * position before the input so undoing places it in the right place
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
207 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
208 base.signalSelectionchangedEvent = function () {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
209 if (isApplying || isSelectionChangeHandled) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
210 isSelectionChangeHandled = false;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
211 return;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
212 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
213 if (lastState) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
214 updateLastState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
215 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
216 lastInputType = '';
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
217 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
218
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
219 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
220 * Handles the input event
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
221 * @param {InputEvent} e
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
222 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
223 base.signalInputEvent = function (e) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
224 // InputType is one of
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
225 // https://rawgit.com/w3c/input-events/v1/index.html#interface-InputEvent-Attributes
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
226 // Most should cause a full undo item to be added so only need to
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
227 // handle a few of them
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
228 var inputType = e.inputType;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
229
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
230 // Should ignore selection changes that occur because of input
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
231 // events as already handling them
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
232 isSelectionChangeHandled = true;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
233
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
234 // inputType should be supported by all supported browsers
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
235 // except IE 11 in runWithoutWysiwygSupport. Shouldn't be an issue
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
236 // as native handling will mostly work there.
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
237 // Ignore if composing as will handle composition end instead
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
238 if (!inputType || e.isComposing) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
239 return;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
240 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
241
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
242 switch (e.inputType) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
243 case 'deleteContentBackward':
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
244 if (lastState && lastInputType === inputType &&
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
245 charChangedCount < 20) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
246 updateLastState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
247 } else {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
248 storeState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
249 charChangedCount = 0;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
250 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
251
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
252 lastInputType = inputType;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
253 break;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
254
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
255 case 'insertText':
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
256 charChangedCount += e.data ? e.data.length : 1;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
257
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
258 if (lastState && lastInputType === inputType &&
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
259 charChangedCount < 20 && !/\s$/.test(e.data)) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
260 updateLastState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
261 } else {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
262 storeState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
263 charChangedCount = 0;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
264 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
265
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
266 lastInputType = inputType;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
267 break;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
268 default:
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
269 lastInputType = 'sce-misc';
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
270 charChangedCount = 0;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
271 storeState();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
272 break;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
273 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
274 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
275
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
276 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
277 * Creates a positions object form passed range
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
278 * @param {Range} range
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
279 * @return {Object<string, Array<number>}
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
280 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
281 function getRangePositions(range) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
282 // Merge any adjacent text nodes as it will be done by innerHTML
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
283 // which would cause positions to be off if not done
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
284 body.normalize();
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
285
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
286 return {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
287 startPositions:
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
288 nodeToPositions(range.startContainer, range.startOffset),
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
289 endPositions:
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
290 nodeToPositions(range.endContainer, range.endOffset)
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
291 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
292 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
293
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
294 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
295 * Sets the range start/end based on the positions object
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
296 * @param {Range} range
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
297 * @param {Object<string, Array<number>>} positions
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
298 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
299 function setRangePositions(range, positions) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
300 try {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
301 var startPositions = positions.startPositions;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
302 var endPositions = positions.endPositions;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
303
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
304 range.setStart(positionsToNode(body, startPositions),
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
305 startPositions[0]);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
306 range.setEnd(positionsToNode(body, endPositions),
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
307 endPositions[0]);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
308 } catch (e) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
309 if (console && console.warn) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
310 console.warn('[SCEditor] Undo plugin lost caret', e);
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
311 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
312 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
313 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
314
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
315 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
316 * Converts the passed container and offset into positions array
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
317 * @param {Node} container
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
318 * @param {number} offset
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
319 * @returns {Array<number>}
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
320 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
321 function nodeToPositions(container, offset) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
322 var positions = [offset];
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
323 var node = container;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
324
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
325 while (node && node.tagName !== 'BODY') {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
326 positions.push(nodeIndex(node));
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
327 node = node.parentNode;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
328 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
329
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
330 return positions;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
331 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
332
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
333 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
334 * Returns index of passed node
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
335 * @param {Node} node
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
336 * @returns {number}
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
337 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
338 function nodeIndex(node) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
339 var i = 0;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
340 while ((node = node.previousSibling)) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
341 i++;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
342 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
343 return i;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
344 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
345
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
346 /**
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
347 * Gets the container node from the positions array
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
348 * @param {Node} node
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
349 * @param {Array<number>} positions
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
350 * @returns {Node}
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
351 */
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
352 function positionsToNode(node, positions) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
353 for (var i = positions.length - 1; node && i > 0; i--) {
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
354 node = node.childNodes[positions[i]];
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
355 }
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
356 return node;
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
357 }
29
ea32a44b5a6e remove more oo
Franklin Schmidt <fschmidt@gmail.com>
parents: 4
diff changeset
358
ea32a44b5a6e remove more oo
Franklin Schmidt <fschmidt@gmail.com>
parents: 4
diff changeset
359 return base;
0
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
360 };
4c4fc447baea start with sceditor-3.1.1
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
361 }(sceditor));