view release on metacpan or  search on metacpan

share/public/js/base/jquery.markitup.js  view on Meta::CPAN

			}

			// build block to insert
			function build(string) {
				var openWith 			= prepare(clicked.openWith);
				var placeHolder 		= prepare(clicked.placeHolder);
				var replaceWith 		= prepare(clicked.replaceWith);
				var closeWith 			= prepare(clicked.closeWith);
				var openBlockWith 		= prepare(clicked.openBlockWith);
				var closeBlockWith 		= prepare(clicked.closeBlockWith);
				var multiline 			= clicked.multiline;
				
				if (replaceWith !== "") {
					block = openWith + replaceWith + closeWith;
				} else if (selection === '' && placeHolder !== '') {
					block = openWith + placeHolder + closeWith;
				} else {
					string = string || selection;

					var lines = selection.split(/\r?\n/), blocks = [];
					for (var l=0; l < lines.length; l++) {
						line = lines[l];
						if ($.trim(line) == '') {
							continue;
						}
						if (line.match(/ +$/)) {
							blocks.push(openWith + line.replace(/ $/, '') + closeWith + ' ');
						} else {
							blocks.push(openWith + line + closeWith);
						}
					}
					
					block = blocks.join("\n");
				}

				block = openBlockWith + block + closeBlockWith;

				return {	block:block, 
							openWith:openWith, 
							replaceWith:replaceWith, 
							placeHolder:placeHolder,
							closeWith:closeWith
					};
			}

			// define markup to insert
			function markup(button) {
				var len, j, n, i;
				hash = clicked = button;
				get();
				$.extend(hash, {	line:"", 
						 			root:options.root,
									textarea:textarea, 
									selection:(selection||''), 
									caretPosition:caretPosition,
									ctrlKey:ctrlKey, 
									shiftKey:shiftKey, 
									altKey:altKey
								}
							);
				// callbacks before insertion
				prepare(options.beforeInsert);
				prepare(clicked.beforeInsert);
				if ((ctrlKey === true && shiftKey === true) || button.multiline === true) {
					prepare(clicked.beforeMultiInsert);
				}			
				$.extend(hash, { line:1 });

				if ((ctrlKey === true && shiftKey === true)) {
					lines = selection.split(/\r?\n/);
					for (j = 0, n = lines.length, i = 0; i < n; i++) {
						if ($.trim(lines[i]) !== '') {
							$.extend(hash, { line:++j, selection:lines[i] } );
							lines[i] = build(lines[i]).block;
						} else {
							lines[i] = "";
						}
					}
					string = { block:lines.join('\n')};
					start = caretPosition;
					len = string.block.length + (($.browser.opera) ? n-1 : 0);
				} else if (ctrlKey === true) {
					string = build(selection);
					start = caretPosition + string.openWith.length;
					len = string.block.length - string.openWith.length - string.closeWith.length;
					len = len - (string.block.match(/ $/) ? 1 : 0);
					len -= fixIeBug(string.block);
				} else if (shiftKey === true) {
					string = build(selection);
					start = caretPosition;
					len = string.block.length;
					len -= fixIeBug(string.block);
				} else {
					string = build(selection);
					start = caretPosition + string.block.length ;
					len = 0;
					start -= fixIeBug(string.block);
				}
				if ((selection === '' && string.replaceWith === '')) {
					caretOffset += fixOperaBug(string.block);
					
					start = caretPosition + string.openWith.length;
					len = string.block.length - string.openWith.length - string.closeWith.length;

					caretOffset = $$.val().substring(caretPosition,  $$.val().length).length;
					caretOffset -= fixOperaBug($$.val().substring(0, caretPosition));
				}
				$.extend(hash, { caretPosition:caretPosition, scrollPosition:scrollPosition } );

				if (string.block !== selection && abort === false) {
					insert(string.block);
					set(start, len);
				} else {
					caretOffset = -1;
				}
				get();

				$.extend(hash, { line:'', selection:selection });

				// callbacks after insertion
				if ((ctrlKey === true && shiftKey === true) || button.multiline === true) {
					prepare(clicked.afterMultiInsert);
				}
				prepare(clicked.afterInsert);
				prepare(options.afterInsert);

				// refresh preview if opened
				if (previewWindow && options.previewAutoRefresh) {
					refreshPreview(); 
				}
																									
				// reinit keyevent
				shiftKey = altKey = ctrlKey = abort = false;
			}

			// Substract linefeed in Opera
			function fixOperaBug(string) {
				if ($.browser.opera) {
					return string.length - string.replace(/\n*/g, '').length;
				}
				return 0;
			}
			// Substract linefeed in IE
			function fixIeBug(string) {
				if ($.browser.msie) {
					return string.length - string.replace(/\r*/g, '').length;
				}
				return 0;
			}
				
			// add markup
			function insert(block) {	
				if (document.selection) {
					var newSelection = document.selection.createRange();
					newSelection.text = block;
				} else {
					textarea.value =  textarea.value.substring(0, caretPosition)  + block + textarea.value.substring(caretPosition + selection.length, textarea.value.length);
				}
			}

			// set a selection
			function set(start, len) {
				if (textarea.createTextRange){
					// quick fix to make it work on Opera 9.5
					if ($.browser.opera && $.browser.version >= 9.5 && len == 0) {
						return false;
					}
					range = textarea.createTextRange();
					range.collapse(true);
					range.moveStart('character', start); 
					range.moveEnd('character', len); 
					range.select();
				} else if (textarea.setSelectionRange ){
					textarea.setSelectionRange(start, start + len);
				}
				textarea.scrollTop = scrollPosition;
				textarea.focus();
			}

			// get the selection