|
|
@@ -0,0 +1,354 @@
|
|
|
+/*!
|
|
|
+ * jQuery.selection - jQuery Plugin
|
|
|
+ *
|
|
|
+ * Copyright (c) 2010-2014 IWASAKI Koji (@madapaja).
|
|
|
+ * http://blog.madapaja.net/
|
|
|
+ * Under The MIT License
|
|
|
+ *
|
|
|
+ * Permission is hereby granted, free of charge, to any person obtaining
|
|
|
+ * a copy of this software and associated documentation files (the
|
|
|
+ * "Software"), to deal in the Software without restriction, including
|
|
|
+ * without limitation the rights to use, copy, modify, merge, publish,
|
|
|
+ * distribute, sublicense, and/or sell copies of the Software, and to
|
|
|
+ * permit persons to whom the Software is furnished to do so, subject to
|
|
|
+ * the following conditions:
|
|
|
+ *
|
|
|
+ * The above copyright notice and this permission notice shall be
|
|
|
+ * included in all copies or substantial portions of the Software.
|
|
|
+ *
|
|
|
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
|
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
|
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
|
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
|
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
|
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
|
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
+ */
|
|
|
+(function($, win, doc) {
|
|
|
+ /**
|
|
|
+ * get caret status of the selection of the element
|
|
|
+ *
|
|
|
+ * @param {Element} element target DOM element
|
|
|
+ * @return {Object} return
|
|
|
+ * @return {String} return.text selected text
|
|
|
+ * @return {Number} return.start start position of the selection
|
|
|
+ * @return {Number} return.end end position of the selection
|
|
|
+ */
|
|
|
+ var _getCaretInfo = function(element){
|
|
|
+ var res = {
|
|
|
+ text: '',
|
|
|
+ start: 0,
|
|
|
+ end: 0
|
|
|
+ };
|
|
|
+
|
|
|
+ if (!element.value) {
|
|
|
+ /* no value or empty string */
|
|
|
+ return res;
|
|
|
+ }
|
|
|
+
|
|
|
+ try {
|
|
|
+ if (win.getSelection) {
|
|
|
+ /* except IE */
|
|
|
+ res.start = element.selectionStart;
|
|
|
+ res.end = element.selectionEnd;
|
|
|
+ res.text = element.value.slice(res.start, res.end);
|
|
|
+ } else if (doc.selection) {
|
|
|
+ /* for IE */
|
|
|
+ element.focus();
|
|
|
+
|
|
|
+ var range = doc.selection.createRange(),
|
|
|
+ range2 = doc.body.createTextRange();
|
|
|
+
|
|
|
+ res.text = range.text;
|
|
|
+
|
|
|
+ try {
|
|
|
+ range2.moveToElementText(element);
|
|
|
+ range2.setEndPoint('StartToStart', range);
|
|
|
+ } catch (e) {
|
|
|
+ range2 = element.createTextRange();
|
|
|
+ range2.setEndPoint('StartToStart', range);
|
|
|
+ }
|
|
|
+
|
|
|
+ res.start = element.value.length - range2.text.length;
|
|
|
+ res.end = res.start + range.text.length;
|
|
|
+ }
|
|
|
+ } catch (e) {
|
|
|
+ /* give up */
|
|
|
+ }
|
|
|
+
|
|
|
+ return res;
|
|
|
+ };
|
|
|
+
|
|
|
+ /**
|
|
|
+ * caret operation for the element
|
|
|
+ * @type {Object}
|
|
|
+ */
|
|
|
+ var _CaretOperation = {
|
|
|
+ /**
|
|
|
+ * get caret position
|
|
|
+ *
|
|
|
+ * @param {Element} element target element
|
|
|
+ * @return {Object} return
|
|
|
+ * @return {Number} return.start start position for the selection
|
|
|
+ * @return {Number} return.end end position for the selection
|
|
|
+ */
|
|
|
+ getPos: function(element) {
|
|
|
+ var tmp = _getCaretInfo(element);
|
|
|
+ return {start: tmp.start, end: tmp.end};
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * set caret position
|
|
|
+ *
|
|
|
+ * @param {Element} element target element
|
|
|
+ * @param {Object} toRange caret position
|
|
|
+ * @param {Number} toRange.start start position for the selection
|
|
|
+ * @param {Number} toRange.end end position for the selection
|
|
|
+ * @param {String} caret caret mode: any of the following: "keep" | "start" | "end"
|
|
|
+ */
|
|
|
+ setPos: function(element, toRange, caret) {
|
|
|
+ caret = this._caretMode(caret);
|
|
|
+
|
|
|
+ if (caret === 'start') {
|
|
|
+ toRange.end = toRange.start;
|
|
|
+ } else if (caret === 'end') {
|
|
|
+ toRange.start = toRange.end;
|
|
|
+ }
|
|
|
+
|
|
|
+ element.focus();
|
|
|
+ try {
|
|
|
+ if (element.createTextRange) {
|
|
|
+ var range = element.createTextRange();
|
|
|
+
|
|
|
+ if (win.navigator.userAgent.toLowerCase().indexOf("msie") >= 0) {
|
|
|
+ toRange.start = element.value.substr(0, toRange.start).replace(/\r/g, '').length;
|
|
|
+ toRange.end = element.value.substr(0, toRange.end).replace(/\r/g, '').length;
|
|
|
+ }
|
|
|
+
|
|
|
+ range.collapse(true);
|
|
|
+ range.moveStart('character', toRange.start);
|
|
|
+ range.moveEnd('character', toRange.end - toRange.start);
|
|
|
+
|
|
|
+ range.select();
|
|
|
+ } else if (element.setSelectionRange) {
|
|
|
+ element.setSelectionRange(toRange.start, toRange.end);
|
|
|
+ }
|
|
|
+ } catch (e) {
|
|
|
+ /* give up */
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * get selected text
|
|
|
+ *
|
|
|
+ * @param {Element} element target element
|
|
|
+ * @return {String} return selected text
|
|
|
+ */
|
|
|
+ getText: function(element) {
|
|
|
+ return _getCaretInfo(element).text;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * get caret mode
|
|
|
+ *
|
|
|
+ * @param {String} caret caret mode
|
|
|
+ * @return {String} return any of the following: "keep" | "start" | "end"
|
|
|
+ */
|
|
|
+ _caretMode: function(caret) {
|
|
|
+ caret = caret || "keep";
|
|
|
+ if (caret === false) {
|
|
|
+ caret = 'end';
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (caret) {
|
|
|
+ case 'keep':
|
|
|
+ case 'start':
|
|
|
+ case 'end':
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ caret = 'keep';
|
|
|
+ }
|
|
|
+
|
|
|
+ return caret;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * replace selected text
|
|
|
+ *
|
|
|
+ * @param {Element} element target element
|
|
|
+ * @param {String} text replacement text
|
|
|
+ * @param {String} caret caret mode: any of the following: "keep" | "start" | "end"
|
|
|
+ */
|
|
|
+ replace: function(element, text, caret) {
|
|
|
+ var tmp = _getCaretInfo(element),
|
|
|
+ orig = element.value,
|
|
|
+ pos = $(element).scrollTop(),
|
|
|
+ range = {start: tmp.start, end: tmp.start + text.length};
|
|
|
+
|
|
|
+ element.value = orig.substr(0, tmp.start) + text + orig.substr(tmp.end);
|
|
|
+
|
|
|
+ $(element).scrollTop(pos);
|
|
|
+ this.setPos(element, range, caret);
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * insert before the selected text
|
|
|
+ *
|
|
|
+ * @param {Element} element target element
|
|
|
+ * @param {String} text insertion text
|
|
|
+ * @param {String} caret caret mode: any of the following: "keep" | "start" | "end"
|
|
|
+ */
|
|
|
+ insertBefore: function(element, text, caret) {
|
|
|
+ var tmp = _getCaretInfo(element),
|
|
|
+ orig = element.value,
|
|
|
+ pos = $(element).scrollTop(),
|
|
|
+ range = {start: tmp.start + text.length, end: tmp.end + text.length};
|
|
|
+
|
|
|
+ element.value = orig.substr(0, tmp.start) + text + orig.substr(tmp.start);
|
|
|
+
|
|
|
+ $(element).scrollTop(pos);
|
|
|
+ this.setPos(element, range, caret);
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * insert after the selected text
|
|
|
+ *
|
|
|
+ * @param {Element} element target element
|
|
|
+ * @param {String} text insertion text
|
|
|
+ * @param {String} caret caret mode: any of the following: "keep" | "start" | "end"
|
|
|
+ */
|
|
|
+ insertAfter: function(element, text, caret) {
|
|
|
+ var tmp = _getCaretInfo(element),
|
|
|
+ orig = element.value,
|
|
|
+ pos = $(element).scrollTop(),
|
|
|
+ range = {start: tmp.start, end: tmp.end};
|
|
|
+
|
|
|
+ element.value = orig.substr(0, tmp.end) + text + orig.substr(tmp.end);
|
|
|
+
|
|
|
+ $(element).scrollTop(pos);
|
|
|
+ this.setPos(element, range, caret);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ /* add jQuery.selection */
|
|
|
+ $.extend({
|
|
|
+ /**
|
|
|
+ * get selected text on the window
|
|
|
+ *
|
|
|
+ * @param {String} mode selection mode: any of the following: "text" | "html"
|
|
|
+ * @return {String} return
|
|
|
+ */
|
|
|
+ selection: function(mode) {
|
|
|
+ var getText = ((mode || 'text').toLowerCase() === 'text');
|
|
|
+
|
|
|
+ try {
|
|
|
+ if (win.getSelection) {
|
|
|
+ if (getText) {
|
|
|
+ // get text
|
|
|
+ return win.getSelection().toString();
|
|
|
+ } else {
|
|
|
+ // get html
|
|
|
+ var sel = win.getSelection(), range;
|
|
|
+
|
|
|
+ if (sel.getRangeAt) {
|
|
|
+ range = sel.getRangeAt(0);
|
|
|
+ } else {
|
|
|
+ range = doc.createRange();
|
|
|
+ range.setStart(sel.anchorNode, sel.anchorOffset);
|
|
|
+ range.setEnd(sel.focusNode, sel.focusOffset);
|
|
|
+ }
|
|
|
+
|
|
|
+ return $('<div></div>').append(range.cloneContents()).html();
|
|
|
+ }
|
|
|
+ } else if (doc.selection) {
|
|
|
+ if (getText) {
|
|
|
+ // get text
|
|
|
+ return doc.selection.createRange().text;
|
|
|
+ } else {
|
|
|
+ // get html
|
|
|
+ return doc.selection.createRange().htmlText;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } catch (e) {
|
|
|
+ /* give up */
|
|
|
+ }
|
|
|
+
|
|
|
+ return '';
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ /* add selection */
|
|
|
+ $.fn.extend({
|
|
|
+ selection: function(mode, opts) {
|
|
|
+ opts = opts || {};
|
|
|
+
|
|
|
+ switch (mode) {
|
|
|
+ /**
|
|
|
+ * selection('getPos')
|
|
|
+ * get caret position
|
|
|
+ *
|
|
|
+ * @return {Object} return
|
|
|
+ * @return {Number} return.start start position for the selection
|
|
|
+ * @return {Number} return.end end position for the selection
|
|
|
+ */
|
|
|
+ case 'getPos':
|
|
|
+ return _CaretOperation.getPos(this[0]);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * selection('setPos', opts)
|
|
|
+ * set caret position
|
|
|
+ *
|
|
|
+ * @param {Number} opts.start start position for the selection
|
|
|
+ * @param {Number} opts.end end position for the selection
|
|
|
+ */
|
|
|
+ case 'setPos':
|
|
|
+ return this.each(function() {
|
|
|
+ _CaretOperation.setPos(this, opts);
|
|
|
+ });
|
|
|
+
|
|
|
+ /**
|
|
|
+ * selection('replace', opts)
|
|
|
+ * replace the selected text
|
|
|
+ *
|
|
|
+ * @param {String} opts.text replacement text
|
|
|
+ * @param {String} opts.caret caret mode: any of the following: "keep" | "start" | "end"
|
|
|
+ */
|
|
|
+ case 'replace':
|
|
|
+ return this.each(function() {
|
|
|
+ _CaretOperation.replace(this, opts.text, opts.caret);
|
|
|
+ });
|
|
|
+
|
|
|
+ /**
|
|
|
+ * selection('insert', opts)
|
|
|
+ * insert before/after the selected text
|
|
|
+ *
|
|
|
+ * @param {String} opts.text insertion text
|
|
|
+ * @param {String} opts.caret caret mode: any of the following: "keep" | "start" | "end"
|
|
|
+ * @param {String} opts.mode insertion mode: any of the following: "before" | "after"
|
|
|
+ */
|
|
|
+ case 'insert':
|
|
|
+ return this.each(function() {
|
|
|
+ if (opts.mode === 'before') {
|
|
|
+ _CaretOperation.insertBefore(this, opts.text, opts.caret);
|
|
|
+ } else {
|
|
|
+ _CaretOperation.insertAfter(this, opts.text, opts.caret);
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ /**
|
|
|
+ * selection('get')
|
|
|
+ * get selected text
|
|
|
+ *
|
|
|
+ * @return {String} return
|
|
|
+ */
|
|
|
+ case 'get':
|
|
|
+ /* falls through */
|
|
|
+ default:
|
|
|
+ return _CaretOperation.getText(this[0]);
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+ });
|
|
|
+})(jQuery, window, window.document);
|
Sotaro KARASAWA