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/**
* EditorCommands.js
*
* Released under LGPL License.
* Copyright (c) 1999-2015 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/**
* This class enables you to add custom editor commands and it contains
* overrides for native browser commands to address various bugs and issues.
*
* @class tinymce.EditorCommands
*/
define("tinymce/EditorCommands", [
"tinymce/Env",
"tinymce/util/Tools",
"tinymce/dom/RangeUtils",
"tinymce/dom/TreeWalker",
"tinymce/InsertContent"
], function(Env, Tools, RangeUtils, TreeWalker, InsertContent) {
// Added for compression purposes
var each = Tools.each, extend = Tools.extend;
var map = Tools.map, inArray = Tools.inArray, explode = Tools.explode;
var isOldIE = Env.ie && Env.ie < 11;
var TRUE = true, FALSE = false;
return function(editor) {
var dom, selection, formatter,
commands = {state: {}, exec: {}, value: {}},
settings = editor.settings,
bookmark;
editor.on('PreInit', function() {
dom = editor.dom;
selection = editor.selection;
settings = editor.settings;
formatter = editor.formatter;
});
/**
* Executes the specified command.
*
* @method execCommand
* @param {String} command Command to execute.
* @param {Boolean} ui Optional user interface state.
* @param {Object} value Optional value for command.
* @param {Object} args Optional extra arguments to the execCommand.
* @return {Boolean} true/false if the command was found or not.
*/
function execCommand(command, ui, value, args) {
var func, customCommand, state = 0;
if (!/^(mceAddUndoLevel|mceEndUndoLevel|mceBeginUndoLevel|mceRepaint)$/.test(command) && (!args || !args.skip_focus)) {
editor.focus();
}
args = editor.fire('BeforeExecCommand', {command: command, ui: ui, value: value});
if (args.isDefaultPrevented()) {
return false;
}
customCommand = command.toLowerCase();
if ((func = commands.exec[customCommand])) {
func(customCommand, ui, value);
editor.fire('ExecCommand', {command: command, ui: ui, value: value});
return true;
}
// Plugin commands
each(editor.plugins, function(p) {
if (p.execCommand && p.execCommand(command, ui, value)) {
editor.fire('ExecCommand', {command: command, ui: ui, value: value});
state = true;
return false;
}
});
if (state) {
return state;
}
// Theme commands
if (editor.theme && editor.theme.execCommand && editor.theme.execCommand(command, ui, value)) {
editor.fire('ExecCommand', {command: command, ui: ui, value: value});
return true;
}
// Browser commands
try {
state = editor.getDoc().execCommand(command, ui, value);
} catch (ex) {
// Ignore old IE errors
}
if (state) {
editor.fire('ExecCommand', {command: command, ui: ui, value: value});
return true;
}
return false;
}
/**
* Queries the current state for a command for example if the current selection is "bold".
*
* @method queryCommandState
* @param {String} command Command to check the state of.
* @return {Boolean/Number} true/false if the selected contents is bold or not, -1 if it's not found.
*/
function queryCommandState(command) {
var func;
// Is hidden then return undefined
if (editor.quirks.isHidden()) {
return;
}
command = command.toLowerCase();
if ((func = commands.state[command])) {
return func(command);
}
// Browser commands
try {
return editor.getDoc().queryCommandState(command);
} catch (ex) {
// Fails sometimes see bug: 1896577
}
return false;
}
/**
* Queries the command value for example the current fontsize.
*
* @method queryCommandValue
* @param {String} command Command to check the value of.
* @return {Object} Command value of false if it's not found.
*/
function queryCommandValue(command) {
var func;
// Is hidden then return undefined
if (editor.quirks.isHidden()) {
return;
}
command = command.toLowerCase();
if ((func = commands.value[command])) {
return func(command);
}
// Browser commands
try {
return editor.getDoc().queryCommandValue(command);
} catch (ex) {
// Fails sometimes see bug: 1896577
}
}
/**
* Adds commands to the command collection.
*
* @method addCommands
* @param {Object} command_list Name/value collection with commands to add, the names can also be comma separated.
* @param {String} type Optional type to add, defaults to exec. Can be value or state as well.
*/
function addCommands(command_list, type) {
type = type || 'exec';
each(command_list, function(callback, command) {
each(command.toLowerCase().split(','), function(command) {
commands[type][command] = callback;
});
});
}
function addCommand(command, callback, scope) {
command = command.toLowerCase();
commands.exec[command] = function(command, ui, value, args) {
return callback.call(scope || editor, ui, value, args);
};
}
/**
* Returns true/false if the command is supported or not.
*
* @method queryCommandSupported
* @param {String} command Command that we check support for.
* @return {Boolean} true/false if the command is supported or not.
*/
function queryCommandSupported(command) {
command = command.toLowerCase();
if (commands.exec[command]) {
return true;
}
// Browser commands
try {
return editor.getDoc().queryCommandSupported(command);
} catch (ex) {
// Fails sometimes see bug: 1896577
}
return false;
}
function addQueryStateHandler(command, callback, scope) {
command = command.toLowerCase();
commands.state[command] = function() {
return callback.call(scope || editor);
};
}
function addQueryValueHandler(command, callback, scope) {
command = command.toLowerCase();
commands.value[command] = function() {
return callback.call(scope || editor);
};
}
function hasCustomCommand(command) {
command = command.toLowerCase();
return !!commands.exec[command];
}
// Expose public methods
extend(this, {
execCommand: execCommand,
queryCommandState: queryCommandState,
queryCommandValue: queryCommandValue,
queryCommandSupported: queryCommandSupported,
addCommands: addCommands,
addCommand: addCommand,
addQueryStateHandler: addQueryStateHandler,
addQueryValueHandler: addQueryValueHandler,
hasCustomCommand: hasCustomCommand
});
// Private methods
function execNativeCommand(command, ui, value) {
if (ui === undefined) {
ui = FALSE;
}
if (value === undefined) {
value = null;
}
return editor.getDoc().execCommand(command, ui, value);
}
function isFormatMatch(name) {
return formatter.match(name);
}
function toggleFormat(name, value) {
formatter.toggle(name, value ? {value: value} : undefined);
editor.nodeChanged();
}
function storeSelection(type) {
bookmark = selection.getBookmark(type);
}
function restoreSelection() {
selection.moveToBookmark(bookmark);
}
// Add execCommand overrides
addCommands({
// Ignore these, added for compatibility
'mceResetDesignMode,mceBeginUndoLevel': function() {},
// Add undo manager logic
'mceEndUndoLevel,mceAddUndoLevel': function() {
editor.undoManager.add();
},
'Cut,Copy,Paste': function(command) {
var doc = editor.getDoc(), failed;
// Try executing the native command
try {
execNativeCommand(command);
} catch (ex) {
// Command failed
failed = TRUE;
}
// Chrome reports the paste command as supported however older IE:s will return false for cut/paste
if (command === 'paste' && !doc.queryCommandEnabled(command)) {
failed = true;
}
// Present alert message about clipboard access not being available
if (failed || !doc.queryCommandSupported(command)) {
var msg = editor.translate(
"Your browser doesn't support direct access to the clipboard. " +
"Please use the Ctrl+X/C/V keyboard shortcuts instead."
);
if (Env.mac) {
msg = msg.replace(/Ctrl\+/g, '\u2318+');
}
editor.notificationManager.open({text: msg, type: 'error'});
}
},
// Override unlink command
unlink: function() {
if (selection.isCollapsed()) {
var elm = selection.getNode();
if (elm.tagName == 'A') {
editor.dom.remove(elm, true);
}
return;
}
formatter.remove("link");
},
// Override justify commands to use the text formatter engine
'JustifyLeft,JustifyCenter,JustifyRight,JustifyFull,JustifyNone': function(command) {
var align = command.substring(7);
if (align == 'full') {
align = 'justify';
}
// Remove all other alignments first
each('left,center,right,justify'.split(','), function(name) {
if (align != name) {
formatter.remove('align' + name);
}
});
if (align != 'none') {
toggleFormat('align' + align);
}
},
// Override list commands to fix WebKit bug
'InsertUnorderedList,InsertOrderedList': function(command) {
var listElm, listParent;
execNativeCommand(command);
// WebKit produces lists within block elements so we need to split them
// we will replace the native list creation logic to custom logic later on
// TODO: Remove this when the list creation logic is removed
listElm = dom.getParent(selection.getNode(), 'ol,ul');
if (listElm) {
listParent = listElm.parentNode;
// If list is within a text block then split that block
if (/^(H[1-6]|P|ADDRESS|PRE)$/.test(listParent.nodeName)) {
storeSelection();
dom.split(listParent, listElm);
restoreSelection();
}
}
},
// Override commands to use the text formatter engine
'Bold,Italic,Underline,Strikethrough,Superscript,Subscript': function(command) {
toggleFormat(command);
},
// Override commands to use the text formatter engine
'ForeColor,HiliteColor,FontName': function(command, ui, value) {
toggleFormat(command, value);
},
FontSize: function(command, ui, value) {
var fontClasses, fontSizes;
// Convert font size 1-7 to styles
if (value >= 1 && value <= 7) {
fontSizes = explode(settings.font_size_style_values);
fontClasses = explode(settings.font_size_classes);
if (fontClasses) {
value = fontClasses[value - 1] || value;
} else {
value = fontSizes[value - 1] || value;
}
}
toggleFormat(command, value);
},
RemoveFormat: function(command) {
formatter.remove(command);
},
mceBlockQuote: function() {
toggleFormat('blockquote');
},
FormatBlock: function(command, ui, value) {
return toggleFormat(value || 'p');
},
mceCleanup: function() {
var bookmark = selection.getBookmark();
editor.setContent(editor.getContent({cleanup: TRUE}), {cleanup: TRUE});
selection.moveToBookmark(bookmark);
},
mceRemoveNode: function(command, ui, value) {
var node = value || selection.getNode();
// Make sure that the body node isn't removed
if (node != editor.getBody()) {
storeSelection();
editor.dom.remove(node, TRUE);
restoreSelection();
}
},
mceSelectNodeDepth: function(command, ui, value) {
var counter = 0;
dom.getParent(selection.getNode(), function(node) {
if (node.nodeType == 1 && counter++ == value) {
selection.select(node);
return FALSE;
}
}, editor.getBody());
},
mceSelectNode: function(command, ui, value) {
selection.select(value);
},
mceInsertContent: function(command, ui, value) {
InsertContent.insertAtCaret(editor, value);
},
mceInsertRawHTML: function(command, ui, value) {
selection.setContent('tiny_mce_marker');
editor.setContent(
editor.getContent().replace(/tiny_mce_marker/g, function() {
return value;
})
);
},
mceToggleFormat: function(command, ui, value) {
toggleFormat(value);
},
mceSetContent: function(command, ui, value) {
editor.setContent(value);
},
'Indent,Outdent': function(command) {
var intentValue, indentUnit, value;
// Setup indent level
intentValue = settings.indentation;
indentUnit = /[a-z%]+$/i.exec(intentValue);
intentValue = parseInt(intentValue, 10);
if (!queryCommandState('InsertUnorderedList') && !queryCommandState('InsertOrderedList')) {
// If forced_root_blocks is set to false we don't have a block to indent so lets create a div
if (!settings.forced_root_block && !dom.getParent(selection.getNode(), dom.isBlock)) {
formatter.apply('div');
}
each(selection.getSelectedBlocks(), function(element) {
if (dom.getContentEditable(element) === "false") {
return;
}
if (element.nodeName != "LI") {
var indentStyleName = editor.getParam('indent_use_margin', false) ? 'margin' : 'padding';
indentStyleName += dom.getStyle(element, 'direction', true) == 'rtl' ? 'Right' : 'Left';
if (command == 'outdent') {
value = Math.max(0, parseInt(element.style[indentStyleName] || 0, 10) - intentValue);
dom.setStyle(element, indentStyleName, value ? value + indentUnit : '');
} else {
value = (parseInt(element.style[indentStyleName] || 0, 10) + intentValue) + indentUnit;
dom.setStyle(element, indentStyleName, value);
}
}
});
} else {
execNativeCommand(command);
}
},
mceRepaint: function() {
},
InsertHorizontalRule: function() {
editor.execCommand('mceInsertContent', false, '
');
},
mceToggleVisualAid: function() {
editor.hasVisual = !editor.hasVisual;
editor.addVisual();
},
mceReplaceContent: function(command, ui, value) {
editor.execCommand('mceInsertContent', false, value.replace(/\{\$selection\}/g, selection.getContent({format: 'text'})));
},
mceInsertLink: function(command, ui, value) {
var anchor;
if (typeof value == 'string') {
value = {href: value};
}
anchor = dom.getParent(selection.getNode(), 'a');
// Spaces are never valid in URLs and it's a very common mistake for people to make so we fix it here.
value.href = value.href.replace(' ', '%20');
// Remove existing links if there could be child links or that the href isn't specified
if (!anchor || !value.href) {
formatter.remove('link');
}
// Apply new link to selection
if (value.href) {
formatter.apply('link', value, anchor);
}
},
selectAll: function() {
var root = dom.getRoot(), rng;
if (selection.getRng().setStart) {
rng = dom.createRng();
rng.setStart(root, 0);
rng.setEnd(root, root.childNodes.length);
selection.setRng(rng);
} else {
// IE will render it's own root level block elements and sometimes
// even put font elements in them when the user starts typing. So we need to
// move the selection to a more suitable element from this:
// |
to this:
|
rng = selection.getRng();
if (!rng.item) {
rng.moveToElementText(root);
rng.select();
}
}
},
"delete": function() {
execNativeCommand("Delete");
// Check if body is empty after the delete call if so then set the contents
// to an empty string and move the caret to any block produced by that operation
// this fixes the issue with root blocks not being properly produced after a delete call on IE
var body = editor.getBody();
if (dom.isEmpty(body)) {
editor.setContent('');
if (body.firstChild && dom.isBlock(body.firstChild)) {
editor.selection.setCursorLocation(body.firstChild, 0);
} else {
editor.selection.setCursorLocation(body, 0);
}
}
},
mceNewDocument: function() {
editor.setContent('');
},
InsertLineBreak: function(command, ui, value) {
// We load the current event in from EnterKey.js when appropriate to heed
// certain event-specific variations such as ctrl-enter in a list
var evt = value;
var brElm, extraBr, marker;
var rng = selection.getRng(true);
new RangeUtils(dom).normalize(rng);
var offset = rng.startOffset;
var container = rng.startContainer;
// Resolve node index
if (container.nodeType == 1 && container.hasChildNodes()) {
var isAfterLastNodeInContainer = offset > container.childNodes.length - 1;
container = container.childNodes[Math.min(offset, container.childNodes.length - 1)] || container;
if (isAfterLastNodeInContainer && container.nodeType == 3) {
offset = container.nodeValue.length;
} else {
offset = 0;
}
}
var parentBlock = dom.getParent(container, dom.isBlock);
var parentBlockName = parentBlock ? parentBlock.nodeName.toUpperCase() : ''; // IE < 9 & HTML5
var containerBlock = parentBlock ? dom.getParent(parentBlock.parentNode, dom.isBlock) : null;
var containerBlockName = containerBlock ? containerBlock.nodeName.toUpperCase() : ''; // IE < 9 & HTML5
// Enter inside block contained within a LI then split or insert before/after LI
var isControlKey = evt && evt.ctrlKey;
if (containerBlockName == 'LI' && !isControlKey) {
parentBlock = containerBlock;
parentBlockName = containerBlockName;
}
// Walks the parent block to the right and look for BR elements
function hasRightSideContent() {
var walker = new TreeWalker(container, parentBlock), node;
var nonEmptyElementsMap = editor.schema.getNonEmptyElements();
while ((node = walker.next())) {
if (nonEmptyElementsMap[node.nodeName.toLowerCase()] || node.length > 0) {
return true;
}
}
}
if (container && container.nodeType == 3 && offset >= container.nodeValue.length) {
// Insert extra BR element at the end block elements
if (!isOldIE && !hasRightSideContent()) {
brElm = dom.create('br');
rng.insertNode(brElm);
rng.setStartAfter(brElm);
rng.setEndAfter(brElm);
extraBr = true;
}
}
brElm = dom.create('br');
rng.insertNode(brElm);
// Rendering modes below IE8 doesn't display BR elements in PRE unless we have a \n before it
var documentMode = dom.doc.documentMode;
if (isOldIE && parentBlockName == 'PRE' && (!documentMode || documentMode < 8)) {
brElm.parentNode.insertBefore(dom.doc.createTextNode('\r'), brElm);
}
// Insert temp marker and scroll to that
marker = dom.create('span', {}, ' ');
brElm.parentNode.insertBefore(marker, brElm);
selection.scrollIntoView(marker);
dom.remove(marker);
if (!extraBr) {
rng.setStartAfter(brElm);
rng.setEndAfter(brElm);
} else {
rng.setStartBefore(brElm);
rng.setEndBefore(brElm);
}
selection.setRng(rng);
editor.undoManager.add();
return TRUE;
}
});
// Add queryCommandState overrides
addCommands({
// Override justify commands
'JustifyLeft,JustifyCenter,JustifyRight,JustifyFull': function(command) {
var name = 'align' + command.substring(7);
var nodes = selection.isCollapsed() ? [dom.getParent(selection.getNode(), dom.isBlock)] : selection.getSelectedBlocks();
var matches = map(nodes, function(node) {
return !!formatter.matchNode(node, name);
});
return inArray(matches, TRUE) !== -1;
},
'Bold,Italic,Underline,Strikethrough,Superscript,Subscript': function(command) {
return isFormatMatch(command);
},
mceBlockQuote: function() {
return isFormatMatch('blockquote');
},
Outdent: function() {
var node;
if (settings.inline_styles) {
if ((node = dom.getParent(selection.getStart(), dom.isBlock)) && parseInt(node.style.paddingLeft, 10) > 0) {
return TRUE;
}
if ((node = dom.getParent(selection.getEnd(), dom.isBlock)) && parseInt(node.style.paddingLeft, 10) > 0) {
return TRUE;
}
}
return (
queryCommandState('InsertUnorderedList') ||
queryCommandState('InsertOrderedList') ||
(!settings.inline_styles && !!dom.getParent(selection.getNode(), 'BLOCKQUOTE'))
);
},
'InsertUnorderedList,InsertOrderedList': function(command) {
var list = dom.getParent(selection.getNode(), 'ul,ol');
return list &&
(
command === 'insertunorderedlist' && list.tagName === 'UL' ||
command === 'insertorderedlist' && list.tagName === 'OL'
);
}
}, 'state');
// Add queryCommandValue overrides
addCommands({
'FontSize,FontName': function(command) {
var value = 0, parent;
if ((parent = dom.getParent(selection.getNode(), 'span'))) {
if (command == 'fontsize') {
value = parent.style.fontSize;
} else {
value = parent.style.fontFamily.replace(/, /g, ',').replace(/[\'\"]/g, '').toLowerCase();
}
}
return value;
}
}, 'value');
// Add undo manager logic
addCommands({
Undo: function() {
editor.undoManager.undo();
},
Redo: function() {
editor.undoManager.redo();
}
});
};
});