Untitled diff
/* @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));