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/* @fileoverview
/* @fileoverview
* Provides full Bootstrap based, multi-instance WYSIWYG editor.
* Provides full Bootstrap based, multi-instance WYSIWYG editor.
*
*
* "Name" = 'bootstrap-wysiwyg'
* "Name" = 'bootstrap-wysiwyg'
* "Author" = 'Various, see LICENCE'
* "Author" = 'Various, see LICENSE'
* "Version" = '1.0.3-rc'
* "Version" = '1.0.4'
* "About" = 'A tiny Bootstrap and jQuery based WYSIWYG rich text editor based on the browser function execCommand.'
* "About" = 'A tiny Bootstrap and jQuery based WYSIWYG rich text editor based on the browser function execCommand.'
*/
*/
(function ($) {
(function ($) {
'use strict';
'use strict';
/** underscoreThrottle()
/** underscoreThrottle()
* From underscore http://underscorejs.org/docs/underscore.html
* From underscore http://underscorejs.org/docs/underscore.html
*/
*/
var underscoreThrottle = function(func, wait) {
var underscoreThrottle = function(func, wait, options) {
var context, args, timeout, result;
var context, args, result;
var timeout = null;
var previous = 0;
var previous = 0;
if (!options) {
options = {};
}
var later = function() {
var later = function() {
previous = new Date();
previous = options.leading === false ? 0 : $.now();
timeout = null;
timeout = null;
result = func.apply(context, args);
result = func.apply(context, args);
if (!timeout) {
context = args = null;
}
};
};
return function() {
return function() {
var now = new Date();
var now = $.now();
if (!previous && options.leading === false) {
previous = now;
}
var remaining = wait - (now - previous);
var remaining = wait - (now - previous);
context = this;
context = this;
args = arguments;
args = arguments;
if (remaining <= 0) {
if (remaining <= 0 || remaining > wait) {
clearTimeout(timeout);
if (timeout) {
timeout = null;
clearTimeout(timeout);
timeout = null;
}
previous = now;
previous = now;
result = func.apply(context, args);
result = func.apply(context, args);
} else if (!timeout) {
if (!timeout) {
context = args = null;
}
}
else if (!timeout && options.trailing !== false) {
timeout = setTimeout(later, remaining);
timeout = setTimeout(later, remaining);
}
}
return result;
return result;
};
};
};
};
var readFileIntoDataUrl = function (fileInfo) {
var readFileIntoDataUrl = function (fileInfo) {
var loader = $.Deferred(),
var loader = $.Deferred(),
fReader = new FileReader();
fReader = new FileReader();
fReader.onload = function (e) {
fReader.onload = function (e) {
loader.resolve(e.target.result);
loader.resolve(e.target.result);
};
};
fReader.onerror = loader.reject;
fReader.onerror = loader.reject;
fReader.onprogress = loader.notify;
fReader.onprogress = loader.notify;
fReader.readAsDataURL(fileInfo);
fReader.readAsDataURL(fileInfo);
return loader.promise();
return loader.promise();
};
};
$.fn.cleanHtml = function (o) {
$.fn.cleanHtml = function (o) {
if ( $(this).data("wysiwyg-html-mode") === true ) {
if ( $(this).data("wysiwyg-html-mode") === true ) {
$(this).html($(this).text());
$(this).html($(this).text());
$(this).attr('contenteditable',true);
$(this).attr('contenteditable',true);
$(this).data('wysiwyg-html-mode',false);
$(this).data('wysiwyg-html-mode',false);
}
}
// Strip the images with src="data:image/.." out;
// Strip the images with src="data:image/.." out;
if ( o === true && $(this).parent().is("form") ) {
if ( o === true && $(this).parent().is("form") ) {
var gGal = $(this).html;
var gGal = $(this).html;
if ( $(gGal).has( "img" ).length ) {
if ( $(gGal).has( "img" ).length ) {
var gImages = $( "img", $(gGal));
var gImages = $( "img", $(gGal));
var gResults = [];
var gResults = [];
var gEditor = $(this).parent();
var gEditor = $(this).parent();
$.each(gImages, function(i,v) {
$.each(gImages, function(i,v) {
if ( $(v).attr('src').match(/^data:image\/.*$/) ) {
if ( $(v).attr('src').match(/^data:image\/.*$/) ) {
gResults.push(gImages[i]);
gResults.push(gImages[i]);
$(gEditor).prepend("<input value='"+$(v).attr('src')+"' type='hidden' name='postedimage/"+i+"' />");
$(gEditor).prepend("<input value='"+$(v).attr('src')+"' type='hidden' name='postedimage/"+i+"' />");
$(v).attr('src', 'postedimage/'+i);
$(v).attr('src', 'postedimage/'+i);
}});
}});
}
}
}
}
var html = $(this).html();
var html = $(this).html();
return html && html.replace(/(<br>|\s|<div><br><\/div>| )*$/, '');
return html && html.replace(/(<br>|\s|<div><br><\/div>| )*$/, '');
};
};
$.fn.wysiwyg = function (userOptions) {
$.fn.wysiwyg = function (userOptions) {
var editor = this,
var editor = this,
wrapper = $(editor).parent(),
selectedRange,
selectedRange,
options,
options,
toolbarBtnSelector,
toolbarBtnSelector,
updateToolbar = function () {
updateToolbar = function () {
if (options.activeToolbarClass) {
if (options.activeToolbarClass) {
$(options.toolbarSelector,wrapper).find(toolbarBtnSelector).each(underscoreThrottle(function () {
$(options.toolbarSelector).find(toolbarBtnSelector).each(function () {
var commandArr = $(this).data(options.commandRole).split(' '),
var commandArr = $(this).data(options.commandRole).split(' '),
command = commandArr[0];
command = commandArr[0];
// If the command has an argument and its value matches this button. == used for string/number comparison
// If the command has an argument and its value matches this button. == used for string/number comparison
if (commandArr.length > 1 && document.queryCommandEnabled(command) && document.queryCommandValue(command) === commandArr[1]) {
if (commandArr.length > 1 && document.queryCommandEnabled(command) && document.queryCommandValue(command) === commandArr[1]) {
$(this).addClass(options.activeToolbarClass);
$(this).addClass(options.activeToolbarClass);
// Else if the command has no arguments and it is active
// Else if the command has no arguments and it is active
} else if (commandArr.length === 1 && document.queryCommandEnabled(command) && document.queryCommandState(command)) {
} else if (commandArr.length === 1 && document.queryCommandEnabled(command) && document.queryCommandState(command)) {
$(this).addClass(options.activeToolbarClass);
$(this).addClass(options.activeToolbarClass);
// Else the command is not active
// Else the command is not active
} else {
} else {
$(this).removeClass(options.activeToolbarClass);
$(this).removeClass(options.activeToolbarClass);
}
}
}, options.keypressTimeout));
});
}
}
},
},
execCommand = function (commandWithArgs, valueArg) {
execCommand = function (commandWithArgs, valueArg) {
var commandArr = commandWithArgs.split(' '),
var commandArr = commandWithArgs.split(' '),
command = commandArr.shift(),
command = commandArr.shift(),
args = commandArr.join(' ') + (valueArg || '');
args = commandArr.join(' ') + (valueArg || '');
var parts = commandWithArgs.split('-');
var parts = commandWithArgs.split('-');
if ( parts.length === 1 ) {
if ( parts.length === 1 ) {
document.execCommand(command, 0, args);
underscoreThrottle(document.execCommand(command, false, args), options.keypressTimeout);
}
}
else if ( parts[0] === 'format' && parts.length === 2 ) {
else if ( parts[0] === 'format' && parts.length === 2 ) {
document.execCommand('formatBlock', false, parts[1] );
underscoreThrottle(document.execCommand('formatBlock', false, parts[1] ), options.keypressTimeout);
}
}
editor.trigger('change');
editor.trigger('change');
updateToolbar();
updateToolbar();
},
},
bindHotkeys = function (hotKeys) {
bindHotkeys = function (hotKeys) {
$.each(hotKeys, function (hotkey, command) {
$.each(hotKeys, function (hotkey, command) {
editor.keydown(hotkey, function (e) {
editor.keydown(hotkey, function (e) {
if (editor.attr('contenteditable') && editor.is(':visible')) {
if (editor.attr('contenteditable') && editor.is(':visible')) {
e.preventDefault();
e.preventDefault();
e.stopPropagation();
e.stopPropagation();
execCommand(command);
underscoreThrottle(execCommand(command), options.keypressTimeout);
}
}
}).keyup(hotkey, function (e) {
}).keyup(hotkey, function (e) {
if (editor.attr('contenteditable') && editor.is(':visible')) {
if (editor.attr('contenteditable') && editor.is(':visible')) {
e.preventDefault();
e.preventDefault();
e.stopPropagation();
e.stopPropagation();
}
}
});
});
});
});
editor.keyup(function(){ editor.trigger('change'); });
editor.keyup(function(){ editor.trigger('change'); });
},
},
getCurrentRange = function () {
getCurrentRange = function () {
var sel, range;
var sel, range;
if (window.getSelection) {
if (window.getSelection) {
sel = window.getSelection();
sel = window.getSelection();
if (sel.getRangeAt && sel.rangeCount) {
if (sel.getRangeAt && sel.rangeCount) {
range = sel.getRangeAt(0);
range = sel.getRangeAt(0);
}
}
} else if (document.selection) {
} else if (document.selection) {
range = document.selection.createRange();
range = document.selection.createRange();
} return range;
} return range;
},
},
saveSelection = function () {
saveSelection = function () {
selectedRange = getCurrentRange();
selectedRange = getCurrentRange();
},
},
restoreSelection = function () {
restoreSelection = function () {
var selection;
var selection;
if (window.getSelection || document.createRange) {
if (window.getSelection || document.createRange) {
selection = window.getSelection();
selection = window.getSelection();
if (selectedRange) {
if (selectedRange) {
try {
try {
selection.removeAllRanges();
selection.removeAllRanges();
} catch (ex) {
} catch (ex) {
document.body.createTextRange().select();
document.body.createTextRange().select();
document.selection.empty();
document.selection.empty();
}
}
selection.addRange(selectedRange);
selection.addRange(selectedRange);
}
}
}
}
else if (document.selection && selectedRange) {
else if (document.selection && selectedRange) {
selectedRange.select();
selectedRange.select();
}
}
},
},
// Adding Toggle HTML based on the work by @jd0000, but cleaned up a little to work in this context.
// Adding Toggle HTML based on the work by @jd0000, but cleaned up a little to work in this context.
toggleHtmlEdit = function() {
toggleHtmlEdit = function() {
if ( $(editor).data("wysiwyg-html-mode") !== true ) {
if ( $(editor).data("wysiwyg-html-mode") !== true ) {
var oContent = $(editor).html();
var oContent = $(editor).html();
var editorPre = $( "<pre />" );
var editorPre = $( "<pre />" );
$(editorPre).append( document.createTextNode( oContent ) );
$(editorPre).append( document.createTextNode( oContent ) );
$(editorPre).attr('contenteditable',true);
$(editorPre).attr('contenteditable',true);
$(editor).html(' ');
$(editor).html(' ');
$(editor).append($(editorPre));
$(editor).append($(editorPre));
$(editor).attr('contenteditable', false);
$(editor).attr('contenteditable', false);
$(editor).data("wysiwyg-html-mode", true);
$(editor).data("wysiwyg-html-mode", true);
$(editorPre).focus();
$(editorPre).focus();
}
}
else {
else {
$(editor).html($(editor).text());
$(editor).html($(editor).text());
$(editor).attr('contenteditable',true);
$(editor).attr('contenteditable',true);
$(editor).data('wysiwyg-html-mode',false);
$(editor).data('wysiwyg-html-mode',false);
$(editor).focus();
$(editor).focus();
}
}
},
},
insertFiles = function (files) {
insertFiles = function (files) {
editor.focus();
editor.focus();
$.each(files, function (idx, fileInfo) {
$.each(files, function (idx, fileInfo) {
if (/^image\//.test(fileInfo.type)) {
if (/^image\//.test(fileInfo.type)) {
$.when(readFileIntoDataUrl(fileInfo)).done(function (dataUrl) {
$.when(readFileIntoDataUrl(fileInfo)).done(function (dataUrl) {
execCommand('insertimage', dataUrl);
underscoreThrottle(execCommand('insertimage', dataUrl), options.keypressTimeout);
editor.trigger('image-inserted');
editor.trigger('image-inserted');
}).fail(function (e) {
}).fail(function (e) {
options.fileUploadError("file-reader", e);
options.fileUploadError("file-reader", e);
});
});
} else {
} else {
options.fileUploadError("unsupported-file-type", fileInfo.type);
options.fileUploadError("unsupported-file-type", fileInfo.type);
}
}
});
});
},
},
markSelection = function (input, color) {
markSelection = function (input, color) {
restoreSelection();
restoreSelection();
if (document.queryCommandSupported('hiliteColor')) {
if (document.queryCommandSupported('hiliteColor')) {
document.execCommand('hiliteColor', 0, color || 'transparent');
underscoreThrottle(document.execCommand('hiliteColor', false, color || 'transparent'), options.keypressTimeout);
}
}
saveSelection();
saveSelection();
input.data(options.selectionMarker, color);
input.data(options.selectionMarker, color);
},
},
bindToolbar = function (toolbar, options) {
bindToolbar = function (toolbar, options) {
toolbar.find(toolbarBtnSelector, wrapper).click(function () {
toolbar.find(toolbarBtnSelector).click(function () {
restoreSelection();
restoreSelection();
editor.focus();
editor.focus();
if ($(this).data(options.commandRole) === 'html') {
if ($(this).data(options.commandRole) === 'html') {
toggleHtmlEdit();
toggleHtmlEdit();
}
}
else {
else {
execCommand($(this).data(options.commandRole));
underscoreThrottle(execCommand($(this).data(options.commandRole)), options.keypressTimeout);
}
}
saveSelection();
saveSelection();
});
});
toolbar.find('[data-toggle=dropdown]').click(restoreSelection);
toolbar.find('[data-toggle=dropdown]').click(restoreSelection);
toolbar.find('input[type=text][data-' + options.commandRole + ']').on('webkitspeechchange change', function () {
toolbar.find('input[type=text][data-' + options.commandRole + ']').on('webkitspeechchange change', function () {
var newValue = this.value; /* ugly but prevents fake double-calls due to selection restoration */
var newValue = this.value; /* ugly but prevents fake double-calls due to selection restoration */
this.value = '';
this.value = '';
restoreSelection();
restoreSelection();
if (newValue) {
if (newValue) {
editor.focus();
editor.focus();
execCommand($(this).data(options.commandRole), newValue);
underscoreThrottle(execCommand($(this).data(options.commandRole), newValue), options.keypressTimeout);
}
}
saveSelection();
saveSelection();
}).on('focus', function () {
}).on('focus', function () {
var input = $(this);
var input = $(this);
if (!input.data(options.selectionMarker)) {
if (!input.data(options.selectionMarker)) {
markSelection(input, options.selectionColor);
markSelection(input, options.selectionColor);
input.focus();
input.focus();
}
}
}).on('blur', function () {
}).on('blur', function () {
var input = $(this);
var input = $(this);
if (input.data(options.selectionMarker)) {
if (input.data(options.selectionMarker)) {
markSelection(input, false);
markSelection(input, false);
}
}
});
});
toolbar.find('input[type=file][data-' + options.commandRole + ']').change(function () {
toolbar.find('input[type=file][data-' + options.commandRole + ']').change(function () {
restoreSelection();
restoreSelection();
if (this.type === 'file' && this.files && this.files.length > 0) {
if (this.type === 'file' && this.files && this.files.length > 0) {
insertFiles(this.files);
insertFiles(this.files);
}
}
saveSelection();
saveSelection();
this.value = '';
this.value = '';
});
});
},
},
initFileDrops = function () {
initFileDrops = function () {
editor.on('dragenter dragover', false)
editor.on('dragenter dragover', false)
.on('drop', function (e) {
.on('drop', function (e) {
var dataTransfer = e.originalEvent.dataTransfer;
var dataTransfer = e.originalEvent.dataTransfer;
e.stopPropagation();
e.stopPropagation();
e.preventDefault();
e.preventDefault();
if (dataTransfer && dataTransfer.files && dataTransfer.files.length > 0) {
if (dataTransfer && dataTransfer.files && dataTransfer.files.length > 0) {
insertFiles(dataTransfer.files);
insertFiles(dataTransfer.files);
}
}
});
});
};
};
options = $.extend(true, {}, $.fn.wysiwyg.defaults, userOptions);
options = $.extend(true, {}, $.fn.wysiwyg.defaults, userOptions);
toolbarBtnSelector = 'a[data-' + options.commandRole + '],button[data-' + options.commandRole + '],input[type=button][data-' + options.commandRole + ']';
toolbarBtnSelector = 'a[data-' + options.commandRole + '],button[data-' + options.commandRole + '],input[type=button][data-' + options.commandRole + ']';
bindHotkeys(options.hotKeys);
bindHotkeys(options.hotKeys);
// Support placeholder attribute on the DIV
// Support placeholder attribute on the DIV
if ($(this).attr('placeholder') !== '') {
if ($(this).attr('placeholder') !== '') {
$(this).addClass('placeholderText');
$(this).addClass('placeholderText');
$(this).html($(this).attr('placeholder'));
$(this).html($(this).attr('placeholder'));
$(this).bind('focus',function() {
$(this).bind('focus',function() {
if ( $(this).attr('placeholder') !== '' && $(this).text() === $(this).attr('placeholder') ) {
if ( $(this).attr('placeholder') !== '' && $(this).text() === $(this).attr('placeholder') ) {
$(this).removeClass('placeholderText');
$(this).removeClass('placeholderText');
$(this).html('');
$(this).html('');
}
}
});
});
$(this).bind('blur',function() {
$(this).bind('blur',function() {
if ( $(this).attr('placeholder') !== '' && $(this).text() === '' ) {
if ( $(this).attr('placeholder') !== '' && $(this).text() === '' ) {
$(this).addClass('placeholderText');
$(this).addClass('placeholderText');
$(this).html($(this).attr('placeholder'));
$(this).html($(this).attr('placeholder'));
}
}
});
});
}
}
if (options.dragAndDropImages) {
if (options.dragAndDropImages) {
initFileDrops();
initFileDrops();
}
}
bindToolbar($(options.toolbarSelector), options);
bindToolbar($(options.toolbarSelector), options);
editor.attr('contenteditable', true)
editor.attr('contenteditable', true)
.on('mouseup keyup mouseout', function () {
.on('mouseup keyup mouseout', function () {
saveSelection();
saveSelection();
updateToolbar();
updateToolbar();
});
});
$(window).bind('touchend', function (e) {
$(window).bind('touchend', function (e) {
var isInside = (editor.is(e.target) || editor.has(e.target).length > 0),
var isInside = (editor.is(e.target) || editor.has(e.target).length > 0),
currentRange = getCurrentRange(),
currentRange = getCurrentRange(),
clear = currentRange && (currentRange.startContainer === currentRange.endContainer && currentRange.startOffset === currentRange.endOffset);
clear = currentRange && (currentRange.startContainer === currentRange.endContainer && currentRange.startOffset === currentRange.endOffset);
if (!clear || isInside) {
if (!clear || isInside) {
saveSelection();
saveSelection();
updateToolbar();
updateToolbar();
}
}
});
});
return this;
return this;
};
};
$.fn.wysiwyg.defaults = {
$.fn.wysiwyg.defaults = {
hotKeys: {
hotKeys: {
'Ctrl+b meta+b': 'bold',
'Ctrl+b meta+b': 'bold',
'Ctrl+i meta+i': 'italic',
'Ctrl+i meta+i': 'italic',
'Ctrl+u meta+u': 'underline',
'Ctrl+u meta+u': 'underline',
'Ctrl+z': 'undo',
'Ctrl+z': 'undo',
'Ctrl+y meta+y meta+shift+z': 'redo',
'Ctrl+y meta+y meta+shift+z': 'redo',
'Ctrl+l meta+l': 'justifyleft',
'Ctrl+l meta+l': 'justifyleft',
'Ctrl+r meta+r': 'justifyright',
'Ctrl+r meta+r': 'justifyright',
'Ctrl+e meta+e': 'justifycenter',
'Ctrl+e meta+e': 'justifycenter',
'Ctrl+j meta+j': 'justifyfull',
'Ctrl+j meta+j': 'justifyfull',
'Shift+tab': 'outdent',
'Shift+tab': 'outdent',
'tab': 'indent'
'tab': 'indent'
},
},
toolbarSelector: '[data-role=editor-toolbar]',
toolbarSelector: '[data-role=editor-toolbar]',
commandRole: 'edit',
commandRole: 'edit',
activeToolbarClass: 'btn-info',
activeToolbarClass: 'btn-info',
selectionMarker: 'edit-focus-marker',
selectionMarker: 'edit-focus-marker',
selectionColor: 'darkgrey',
selectionColor: 'darkgrey',
dragAndDropImages: true,
dragAndDropImages: true,
keypressTimeout: 200,
keypressTimeout: 200,
fileUploadError: function (reason, detail) { console.log("File upload error", reason, detail); }
fileUploadError: function (reason, detail) { console.log("File upload error", reason, detail); }
};
};
}(window.jQuery));
}(window.jQuery));