mirror of https://github.com/prometheus/prometheus
361 lines
13 KiB
JavaScript
361 lines
13 KiB
JavaScript
/*!
|
|
* jQuery.selection - jQuery Plugin
|
|
*
|
|
* Copyright (c) 2010-2012 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) {
|
|
/**
|
|
* 要素の文字列選択状態を取得します
|
|
*
|
|
* @param {Element} element 対象要素
|
|
* @return {Object} return
|
|
* @return {String} return.text 選択されている文字列
|
|
* @return {Integer} return.start 選択開始位置
|
|
* @return {Integer} return.end 選択終了位置
|
|
*/
|
|
var _getCaretInfo = function(element){
|
|
var res = {
|
|
text: '',
|
|
start: 0,
|
|
end: 0
|
|
};
|
|
|
|
if (!element.value) {
|
|
/* 値がない、もしくは空文字列 */
|
|
return res;
|
|
}
|
|
|
|
try {
|
|
if (win.getSelection) {
|
|
/* IE 以外 */
|
|
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(),
|
|
tmpLength;
|
|
|
|
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) {
|
|
/* あきらめる */
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
/**
|
|
* 要素に対するキャレット操作
|
|
* @type {Object}
|
|
*/
|
|
var _CaretOperation = {
|
|
/**
|
|
* 要素のキャレット位置を取得します
|
|
*
|
|
* @param {Element} element 対象要素
|
|
* @return {Object} return
|
|
* @return {Integer} return.start 選択開始位置
|
|
* @return {Integer} return.end 選択終了位置
|
|
*/
|
|
getPos: function(element) {
|
|
var tmp = _getCaretInfo(element);
|
|
return {start: tmp.start, end: tmp.end};
|
|
},
|
|
|
|
/**
|
|
* 要素のキャレット位置を設定します
|
|
*
|
|
* @param {Element} element 対象要素
|
|
* @param {Object} toRange 設定するキャレット位置
|
|
* @param {Integer} toRange.start 選択開始位置
|
|
* @param {Integer} toRange.end 選択終了位置
|
|
* @param {String} caret キャレットモード "keep" | "start" | "end" のいずれか
|
|
*/
|
|
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) {
|
|
/* あきらめる */
|
|
}
|
|
},
|
|
|
|
/**
|
|
* 要素内の選択文字列を取得します
|
|
*
|
|
* @param {Element} element 対象要素
|
|
* @return {String} return 選択文字列
|
|
*/
|
|
getText: function(element) {
|
|
return _getCaretInfo(element).text;
|
|
},
|
|
|
|
/**
|
|
* キャレットモードを選択します
|
|
*
|
|
* @param {String} caret キャレットモード
|
|
* @return {String} return "keep" | "start" | "end" のいずれか
|
|
*/
|
|
_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;
|
|
},
|
|
|
|
/**
|
|
* 選択文字列を置き換えます
|
|
*
|
|
* @param {Element} element 対象要素
|
|
* @param {String} text 置き換える文字列
|
|
* @param {String} caret キャレットモード "keep" | "start" | "end" のいずれか
|
|
*/
|
|
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);
|
|
},
|
|
|
|
/**
|
|
* 文字列を選択文字列の前に挿入します
|
|
*
|
|
* @param {Element} element 対象要素
|
|
* @param {String} text 挿入文字列
|
|
* @param {String} caret キャレットモード "keep" | "start" | "end" のいずれか
|
|
*/
|
|
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);
|
|
},
|
|
|
|
/**
|
|
* 文字列を選択文字列の後に挿入します
|
|
*
|
|
* @param {Element} element 対象要素
|
|
* @param {String} text 挿入文字列
|
|
* @param {String} caret キャレットモード "keep" | "start" | "end" のいずれか
|
|
*/
|
|
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);
|
|
}
|
|
};
|
|
|
|
/* jQuery.selection を追加 */
|
|
$.extend({
|
|
/**
|
|
* ウィンドウの選択されている文字列を取得
|
|
*
|
|
* @param {String} mode 選択モード "text" | "html" のいずれか
|
|
* @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) {
|
|
/* あきらめる */
|
|
}
|
|
|
|
return '';
|
|
}
|
|
});
|
|
|
|
/* selection を追加 */
|
|
$.fn.extend({
|
|
selection: function(mode, opts) {
|
|
opts = opts || {};
|
|
|
|
switch (mode) {
|
|
/**
|
|
* selection('getPos')
|
|
* キャレット位置を取得します
|
|
*
|
|
* @return {Object} return
|
|
* @return {Integer} return.start 選択開始位置
|
|
* @return {Integer} return.end 選択終了位置
|
|
*/
|
|
case 'getPos':
|
|
return _CaretOperation.getPos(this[0]);
|
|
break;
|
|
|
|
/**
|
|
* selection('setPos', opts)
|
|
* キャレット位置を設定します
|
|
*
|
|
* @param {Integer} opts.start 選択開始位置
|
|
* @param {Integer} opts.end 選択終了位置
|
|
*/
|
|
case 'setPos':
|
|
return this.each(function() {
|
|
_CaretOperation.setPos(this, opts);
|
|
});
|
|
break;
|
|
|
|
/**
|
|
* selection('replace', opts)
|
|
* 選択文字列を置き換えます
|
|
*
|
|
* @param {String} opts.text 置き換える文字列
|
|
* @param {String} opts.caret キャレットモード "keep" | "start" | "end" のいずれか
|
|
*/
|
|
case 'replace':
|
|
return this.each(function() {
|
|
_CaretOperation.replace(this, opts.text, opts.caret);
|
|
});
|
|
break;
|
|
|
|
/**
|
|
* selection('insert', opts)
|
|
* 選択文字列の前、もしくは後に文字列を挿入えます
|
|
*
|
|
* @param {String} opts.text 挿入文字列
|
|
* @param {String} opts.caret キャレットモード "keep" | "start" | "end" のいずれか
|
|
* @param {String} opts.mode 挿入モード "before" | "after" のいずれか
|
|
*/
|
|
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);
|
|
}
|
|
});
|
|
|
|
break;
|
|
|
|
/**
|
|
* selection('get')
|
|
* 選択されている文字列を取得
|
|
*
|
|
* @return {String} return
|
|
*/
|
|
case 'get':
|
|
default:
|
|
return _CaretOperation.getText(this[0]);
|
|
break;
|
|
}
|
|
|
|
return this;
|
|
}
|
|
});
|
|
})(jQuery, window, window.document);
|