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sizzlemctwizzle 的 GM_config 库中文版本 - Modified by pana
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/403716/954794/GM_config_CN.js
// ==UserScript==
// @name GM_config_CN
// @namespace https://greasyfork.org/zh-CN/users/193133-pana
// @description sizzlemctwizzle 的 GM_config 库中文版本
// @source https://github.com/ywzhaiqi/GM_config
// @version 1.1.3
// @copyright sizzlemctwizzle
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_deleteValue
// @license LGPL 3
// ==/UserScript==
/*
修改说明：
1. 修改 tab 形式所挂载的 <iframe> 元素节点
2. 将 toNode 生成的父节点修改成默认总是为 <div> 元素
*/
/*
Copyright 2009+, GM_config Contributors (https://github.com/sizzlemctwizzle/GM_config)
GM_config Contributors:
Mike Medley <medleymind@gmail.com>
Joe Simmons
Izzy Soft
Marti Martz
GM_config is distributed under the terms of the GNU Lesser General Public License.
GM_config is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// The GM_config constructor
function GM_configStruct() {
// call init() if settings were passed to constructor
if (arguments.length) {
GM_configInit(this, arguments);
this.onInit();
}
}
// This is the initializer function
function GM_configInit(config, args) {
// Initialize instance variables
if (typeof config.fields == 'undefined') {
config.fields = {};
config.onInit = config.onInit || function () {};
config.onOpen = config.onOpen || function () {};
config.onSave = config.onSave || function () {};
config.onClose = config.onClose || function () {};
config.onReset = config.onReset || function () {};
config.isOpen = false;
config.title = '用户脚本设置';
config.css = {
basic:
[
'#GM_config * { font-family: arial,tahoma,myriad pro,sans-serif; }',
'#GM_config { background: #FFF; }',
"#GM_config input[type='radio'] { margin-right: 8px; }",
'#GM_config .indent40 { margin-left: 40%; }',
'#GM_config .field_label { font-size: 12px; font-weight: bold; margin-right: 6px; }',
'#GM_config .radio_label { font-size: 12px; }',
'#GM_config .block { display: block; }',
'#GM_config .saveclose_buttons { margin: 16px 10px 10px; padding: 2px 12px; }',
'#GM_config .reset, #GM_config .reset a,' + ' #GM_config_buttons_holder { color: #000; text-align: right; }',
'#GM_config .config_header { font-size: 20pt; margin: 0; }',
'#GM_config .config_desc, #GM_config .section_desc, #GM_config .reset { font-size: 9pt; }',
'#GM_config .center { text-align: center; }',
'#GM_config .section_header_holder { margin-top: 8px; }',
'#GM_config .config_var { margin: 0 0 4px; }',
'#GM_config .section_header { background: #414141; border: 1px solid #000; color: #FFF;',
' font-size: 13pt; margin: 0; }',
'#GM_config .section_desc { background: #EFEFEF; border: 1px solid #CCC; color: #575757;' + ' font-size: 9pt; margin: 0 0 6px; }',
// newer
"#GM_config input[type='number'] { width: 50px; }",
'#GM_config .nav-tabs { margin: 10 0}',
'#GM_config .nav-tabs > div { display: inline; padding: 3px 10px; }',
'#pv-prefs .section_header_holder { padding-left: 10px; }',
].join('\n') + '\n',
skin_tab:
[
'#GM_config { background: #EEE; }',
'#GM_config textarea { width: 98%; height: 45px; margin-top: 5px; }',
'#GM_config .field_label { display: inline-block; font-weight: normal; }',
// 在同一行内的设置
"#GM_config .inline input[type='checkbox'] { margin-left: 0; }",
'#GM_config .inline .config_var { margin-left: 15px; }',
// 内容样式
'#GM_config .config_var { font-size: 12px; padding: 5px; margin: 0; }',
'#GM_config .config_header a { text-decoration: none; color: #000; }',
'#GM_config .nav-tabs { margin: 20 0}',
'#GM_config .nav-tabs > div { font-size: 14px; color: #999; cursor: pointer; padding: 10px 20px; }',
'#GM_config .nav-tabs > .active { cursor: default; color: #FFF; }',
'#GM_config .nav-tabs > div:hover { color: #FFF; }',
].join('\n') + '\n',
skin_1:
[
// 仿 Mouseover Popup Image Viewer 样式
'#GM_config { background: #EEE; }',
'#GM_config textarea { width: 98%; height: 45px; margin-top: 5px; }',
'#GM_config .config_var { font-size: 12px; }',
'#GM_config .inline .config_var { margin-left: 15px; }',
'#GM_config .field_label { display: inline-block; font-weight: normal; }',
'#GM_config { padding: 20px 30px; margin: 0; }',
'#GM_config .config_header { margin-bottom: 10px; }',
'#GM_config div.config_var { padding: 7px 0; }',
].join('\n') + '\n',
basicPrefix: 'GM_config',
stylish: '',
};
}
if (args.length == 1 && typeof args[0].id == 'string' && typeof args[0].appendChild != 'function') var settings = args[0];
else {
// Provide backwards-compatibility with argument style intialization
var settings = {};
// loop through GM_config.init() arguments
for (var i = 0, l = args.length, arg; i < l; ++i) {
arg = args[i];
// An element to use as the config window
if (typeof arg.appendChild == 'function') {
settings.frame = arg;
continue;
}
switch (typeof arg) {
case 'object':
for (var j in arg) {
// could be a callback functions or settings object
if (typeof arg[j] != 'function') {
// we are in the settings object
if (typeof arg[j] == 'string') {
settings.frameStyle = arg;
} else {
settings.fields = arg; // store settings object
}
break; // leave the loop
} // otherwise it must be a callback function
if (!settings.events) settings.events = {};
settings.events[j] = arg[j];
}
break;
case 'function': // passing a bare function is set to open callback
settings.events = { open: arg };
break;
case 'string': // could be custom CSS or the title string
// if (/[\w\.]+\s*\{\s*[\w-]+\s*:\s*\w+[\s|\S]*\}/.test(arg))
if (/[\w\.]+\s*\{\s*[\w-]+\s*:[\s|\S]*\}/.test(arg)) settings.css = arg;
else if (arg) settings.title = arg;
break;
}
}
}
/* Initialize everything using the new settings object */
// Set the id
if (settings.id) config.id = settings.id;
else if (typeof config.id == 'undefined') config.id = 'GM_config';
// Set the title
if (settings.title) config.title = settings.title;
// Set the custom css
if (settings.css) config.css.stylish = settings.css;
if (settings.skin) {
var skin = config.css['skin_' + settings.skin];
if (skin) {
config.css.basic += skin;
}
}
// Set the frame
if (settings.frame) config.frame = settings.frame;
if (settings.frameStyle) config.frameStyle = settings.frameStyle;
config.isTabs = settings.isTabs;
// Set the event callbacks
if (settings.events) {
var events = settings.events;
for (var e in events) config['on' + e.charAt(0).toUpperCase() + e.slice(1)] = events[e];
}
// Create the fields
if (settings.fields) {
var stored = config.read(), // read the stored settings
fields = settings.fields,
customTypes = settings.types || {};
for (var id in fields) {
var field = fields[id];
// for each field definition create a field object
if (field) config.fields[id] = new GM_configField(field, stored[id], id, customTypes[field.type]);
else if (config.fields[id]) delete config.fields[id];
}
}
// If the id has changed we must modify the default style
if (config.id != config.css.basicPrefix) {
config.css.basic = config.css.basic.replace(new RegExp('#' + config.css.basicPrefix, 'gm'), '#' + config.id);
config.css.basicPrefix = config.id;
}
}
GM_configStruct.prototype = {
// Support old method of initalizing
init: function () {
GM_configInit(this, arguments);
this.onInit();
},
// call GM_config.open() from your script to open the menu
open: function () {
// Die if the menu is already open on this page
// You can have multiple instances but you can't open the same instance twice
var match = document.getElementById(this.id);
if (match && (match.tagName == 'IFRAME' || match.childNodes.length > 0)) return;
// Sometimes "this" gets overwritten so create an alias
var config = this;
// Function to build the mighty config window :)
function buildConfigWin(body, head) {
var create = config.create,
fields = config.fields,
configId = config.id,
bodyWrapper = create('div', { id: configId + '_wrapper' });
// Append the style which is our default style plus the user style
head.appendChild(
create('style', {
type: 'text/css',
textContent: config.css.basic + config.css.stylish,
})
);
// Add header and title
bodyWrapper.appendChild(
create(
'div',
{
id: configId + '_header',
className: 'config_header block center',
},
config.title
)
);
// Append elements
var section = bodyWrapper,
secNum = 0; // Section count
var lastParentNode = null;
// loop through fields
for (var id in fields) {
var field = fields[id],
settings = field.settings;
if (settings.section) {
// the start of a new section
section = bodyWrapper.appendChild(
create('div', {
className: 'section_header_holder',
id: configId + '_section_' + secNum,
})
);
if (Object.prototype.toString.call(settings.section) !== '[object Array]') settings.section = [settings.section];
if (settings.section[0])
section.appendChild(
create(
'div',
{
className: 'section_header center',
id: configId + '_section_header_' + secNum,
},
settings.section[0]
)
);
if (settings.section[1])
section.appendChild(
create(
'p',
{
className: 'section_desc center',
id: configId + '_section_desc_' + secNum,
},
settings.section[1]
)
);
++secNum;
}
if (settings.line == 'start' && lastParentNode) {
// 切换到下一行
lastParentNode = null;
}
// Create field elements and append to current section
(lastParentNode || section).appendChild((field.wrapper = field.toNode(configId, lastParentNode)));
if (settings.line == 'start') {
lastParentNode = field.wrapper;
lastParentNode.classList.add('inline');
} else if (settings.line == 'end') {
lastParentNode = null;
}
}
// Add save and close buttons
bodyWrapper.appendChild(
create(
'div',
{ id: configId + '_buttons_holder' },
create('button', {
id: configId + '_saveBtn',
textContent: '确定',
title: '部分选项需要刷新页面才能生效',
className: 'saveclose_buttons',
onclick: function () {
config.save();
config.close();
},
}),
create('button', {
id: configId + '_closeBtn',
textContent: '取消',
title: '取消本次设置，所有选项还原',
className: 'saveclose_buttons',
onclick: function () {
config.close();
},
}),
create(
'div',
{ className: 'reset_holder block' },
// Reset link
create('a', {
id: configId + '_resetLink',
textContent: '恢复默认设置',
href: '#',
title: '恢复所有设置的内容为默认值',
className: 'reset',
onclick: function (e) {
e.preventDefault();
config.reset();
},
})
)
)
);
body.appendChild(bodyWrapper); // Paint everything to window at once
config.center(); // Show and center iframe
window.addEventListener('resize', config.center, false); // Center frame on resize
// Call the open() callback function
config.onOpen(config.frame.contentDocument || config.frame.ownerDocument, config.frame.contentWindow || window, config.frame);
if (config.isTabs) {
config.toTabs();
}
// Close frame on window close
window.addEventListener(
'beforeunload',
function () {
config.close();
},
false
);
// Now that everything is loaded, make it visible
config.frame.style.display = 'block';
config.isOpen = true;
}
// Change this in the onOpen callback using this.frame.setAttribute('style', '')
var defaultStyle =
'bottom: auto; border: 1px solid #000; display: none; height: 75%;' +
' left: 0; margin: 0; max-height: 95%; max-width: 95%; opacity: 0;' +
' overflow: auto; padding: 0; position: fixed; right: auto; top: 0;' +
' width: 75%; z-index: 999999999;';
// Either use the element passed to init() or create an iframe
if (this.frame) {
this.frame.id = this.id; // Allows for prefixing styles with the config id
this.frame.setAttribute('style', defaultStyle);
buildConfigWin(this.frame, this.frame.ownerDocument.getElementsByTagName('head')[0]);
} else {
// Create frame
document.body.appendChild(
(this.frame = this.create('iframe', {
id: this.id,
style: defaultStyle,
}))
);
if (this.frameStyle) {
Object.keys(this.frameStyle).forEach(function (key) {
config.frame.style[key] = config.frameStyle[key];
});
}
// In WebKit src can't be set until it is added to the page
this.frame.src = 'about:blank';
// we wait for the iframe to load before we can modify it
this.frame.addEventListener(
'load',
function (e) {
var frame = config.frame;
var body = frame.contentDocument.getElementsByTagName('body')[0];
body.id = config.id; // Allows for prefixing styles with the config id
buildConfigWin(body, frame.contentDocument.getElementsByTagName('head')[0]);
},
false
);
}
},
save: function () {
var forgotten = this.write();
this.onSave(forgotten); // Call the save() callback function
},
close: function () {
if (!this.frame) return;
// If frame is an iframe then remove it
if (this.frame.contentDocument) {
this.remove(this.frame);
this.frame = null;
} else {
// else wipe its content
this.frame.innerHTML = '';
this.frame.style.display = 'none';
}
// Null out all the fields so we don't leak memory
var fields = this.fields;
for (var id in fields) {
var field = fields[id];
field.wrapper = null;
field.node = null;
}
this.onClose(); // Call the close() callback function
this.isOpen = false;
},
set: function (name, val) {
this.fields[name].value = val;
},
get: function (name) {
return this.fields[name].value;
},
write: function (store, obj) {
if (!obj) {
var values = {},
forgotten = {},
fields = this.fields;
for (var id in fields) {
var field = fields[id];
var value = field.toValue();
if (field.save) {
if (value != null) {
values[id] = value;
field.value = value;
} else values[id] = field.value;
} else forgotten[id] = value;
}
}
try {
this.setValue(store || this.id, this.stringify(obj || values));
} catch (e) {
this.log('GM_config failed to save settings!');
}
return forgotten;
},
read: function (store) {
try {
var rval = this.parser(this.getValue(store || this.id, '{}'));
} catch (e) {
this.log('GM_config failed to read saved settings!');
var rval = {};
}
return rval;
},
reset: function () {
var fields = this.fields;
// Reset all the fields
for (var id in fields) fields[id].reset();
this.onReset(); // Call the reset() callback function
},
create: function () {
switch (arguments.length) {
case 1:
var A = document.createTextNode(arguments[0]);
break;
default:
var A = document.createElement(arguments[0]),
B = arguments[1];
for (var b in B) {
if (b.indexOf('on') == 0) A.addEventListener(b.substring(2), B[b], false);
else if (',style,accesskey,id,name,src,href,which,for'.indexOf(',' + b.toLowerCase()) != -1) A.setAttribute(b, B[b]);
else if (typeof B[b] != 'undefined') A[b] = B[b];
}
if (typeof arguments[2] == 'string') A.innerHTML = arguments[2];
else for (var i = 2, len = arguments.length; i < len; ++i) A.appendChild(arguments[i]);
}
return A;
},
center: function () {
var node = this.frame;
if (!node) return;
var style = node.style,
beforeOpacity = style.opacity;
if (style.display == 'none') style.opacity = '0';
style.display = '';
style.top = Math.floor(window.innerHeight / 2 - node.offsetHeight / 2) + 'px';
style.left = Math.floor(window.innerWidth / 2 - node.offsetWidth / 2) + 'px';
style.opacity = '1';
},
remove: function (el) {
if (el && el.parentNode) el.parentNode.removeChild(el);
},
toTabs: function () {
// 转为 tab 的形式
var body = this.frame.tagName == 'IFRAME' ? this.frame.contentWindow.document : this.frame.ownerDocument,
configId = this.id;
var $ = function (id) {
return body.getElementById(configId + '_' + id);
};
var headers = body.querySelectorAll('.section_header');
if (!headers.length) return;
var anch = this.create('div', {
// id: configId + '_tab_holder',
className: 'nav-tabs',
});
for (var i = 0, header; i < headers.length; i++) {
header = headers[i];
if (i == 0) {
header.classList.add('active');
}
anch.appendChild(header);
}
anch.addEventListener('click', this.toggleTab.bind(this), false);
$('section_0').parentNode.insertBefore(anch, $('section_0'));
var curTab = localStorage.getItem(configId + '.config.curTab') || 0;
this.toggleTab(parseInt(curTab, 10));
},
toggleTab: function (e) {
var body = this.frame.tagName == 'IFRAME' ? this.frame.contentWindow.document : this.frame,
configId = this.id;
var curTab = typeof e == 'number' ? e : /\_(\d+)/.exec(e.target.id)[1];
[].forEach.call(body.querySelectorAll('.section_header'), function (header, i) {
if (i == curTab) {
header.classList.add('active');
} else {
header.classList.remove('active');
}
});
[].forEach.call(body.querySelectorAll('.section_header_holder'), function (holder, i) {
holder.style.display = i == curTab ? 'block' : 'none';
});
localStorage.setItem(configId + '.config.curTab', curTab);
},
};
// Define a bunch of API stuff
(function () {
var isGM = typeof GM_getValue != 'undefined' && typeof GM_getValue('a', 'b') != 'undefined',
setValue,
getValue,
stringify,
parser;
// Define value storing and reading API
if (!isGM) {
setValue = function (name, value) {
return localStorage.setItem(name, value);
};
getValue = function (name, def) {
var s = localStorage.getItem(name);
return s == null ? def : s;
};
// We only support JSON parser outside GM
stringify = JSON.stringify;
parser = JSON.parse;
} else {
setValue = GM_setValue;
getValue = GM_getValue;
stringify =
typeof JSON == 'undefined'
? function (obj) {
return obj.toSource();
}
: JSON.stringify;
parser =
typeof JSON == 'undefined'
? function (jsonData) {
return new Function('return ' + jsonData + ';')();
}
: JSON.parse;
}
GM_configStruct.prototype.isGM = isGM;
GM_configStruct.prototype.setValue = setValue;
GM_configStruct.prototype.getValue = getValue;
GM_configStruct.prototype.stringify = stringify;
GM_configStruct.prototype.parser = parser;
GM_configStruct.prototype.log = window.console
? console.log
: isGM && typeof GM_log != 'undefined'
? GM_log
: window.opera
? opera.postError
: function () {
/* no logging */
};
})();
function GM_configDefaultValue(type, options) {
var value;
if (type && type.indexOf('unsigned ') == 0) type = type.substring(9);
switch (type) {
case 'radio':
case 'select':
value = options[0];
break;
case 'checkbox':
value = false;
break;
case 'int':
case 'integer':
case 'float':
case 'number':
value = 0;
break;
default:
value = '';
}
return value;
}
function GM_configField(settings, stored, id, customType) {
// Store the field's settings
this.settings = settings;
this.id = id;
this.node = null;
this.wrapper = null;
this.save = typeof settings.save == 'undefined' ? true : settings.save;
// Buttons are static and don't have a stored value
if (settings.type == 'button') this.save = false;
if (settings.type == 'span') this.save = false;
// if a default value wasn't passed through init() then
// if the type is custom use its default value
// else use default value for type
// else use the default value passed through init()
this['default'] =
typeof settings['default'] == 'undefined'
? customType
? customType['default']
: GM_configDefaultValue(settings.type, settings.options)
: settings['default'];
// Store the field's value
this.value = typeof stored == 'undefined' ? this['default'] : stored;
// Setup methods for a custom type
if (customType) {
this.toNode = customType.toNode;
this.toValue = customType.toValue;
this.reset = customType.reset;
}
}
GM_configField.prototype = {
create: GM_configStruct.prototype.create,
toNode: function (configId, lastParentNode) {
var field = this.settings,
value = this.value,
options = field.options,
type = field.type,
id = this.id,
labelPos = field.labelPos,
create = this.create;
function addLabel(pos, labelEl, parentNode, beforeEl) {
if (!beforeEl) {
beforeEl = lastParentNode ? parentNode.lastChild : parentNode.firstChild; // oneLine 的修正
}
switch (pos) {
case 'right':
case 'below':
if (pos == 'below') parentNode.appendChild(create('br', {}));
parentNode.appendChild(labelEl);
break;
default:
if (pos == 'above') parentNode.insertBefore(create('br', {}), beforeEl);
parentNode.insertBefore(labelEl, beforeEl);
}
}
var retNode = create('div', { className: 'config_var', id: configId + '_' + id + '_var', title: field.title }),
firstProp;
if (lastParentNode && field.className) retNode.classList.add(field.className);
// Retrieve the first prop
for (var i in field) {
firstProp = i;
break;
}
var label =
field.label && type != 'button'
? create(
'label',
{
id: configId + '_' + id + '_field_label',
for: configId + '_field_' + id,
className: 'field_label',
},
field.label
)
: null;
switch (type) {
case 'span':
label = null;
this.node = create('span', {
innerHTML: field.label,
className: 'field_label',
title: field.title,
style: field.style,
});
retNode = this.node;
break;
case 'textarea':
retNode.appendChild(
(this.node = create('textarea', {
innerHTML: value,
id: configId + '_field_' + id,
className: 'block' + (field.className ? ' ' + field.className : ''),
cols: field.cols ? field.cols : 20,
rows: field.rows ? field.rows : 2,
placeholder: field.placeholder,
}))
);
break;
case 'radio':
var wrap = create('div', {
id: configId + '_field_' + id,
className: field.className,
});
this.node = wrap;
for (var i = 0, len = options.length; i < len; ++i) {
var radLabel = create(
'label',
{
className: 'radio_label',
},
options[i]
);
var rad = wrap.appendChild(
create('input', {
value: options[i],
type: 'radio',
name: id,
checked: options[i] == value,
})
);
var radLabelPos = labelPos && (labelPos == 'left' || labelPos == 'right') ? labelPos : firstProp == 'options' ? 'left' : 'right';
addLabel(radLabelPos, radLabel, wrap, rad);
}
retNode.appendChild(wrap);
break;
case 'select':
var wrap = create('select', {
id: configId + '_field_' + id,
className: field.className,
});
this.node = wrap;
if (Array.isArray(options)) {
// 转为 object 的格式
var newOptions = {};
options.forEach(function (option) {
newOptions[option] = option;
});
options = newOptions;
}
Object.keys(options).forEach(function (option) {
wrap.appendChild(
create(
'option',
{
value: option,
selected: option == value,
},
options[option]
)
);
});
retNode.appendChild(wrap);
break;
default:
// fields using input elements
var props = {
id: configId + '_field_' + id,
type: type,
value: type == 'button' ? field.label : value,
className: field.className,
};
switch (type) {
case 'checkbox':
props.checked = value;
break;
case 'button':
props.size = field.size ? field.size : 25;
if (field.script) field.click = field.script;
if (field.click) props.onclick = field.click;
break;
case 'hidden':
break;
case 'number':
break;
default:
// type = text, int, or float
props.type = 'text';
props.size = field.size ? field.size : 25;
props.placeholder = field.placeholder;
}
retNode.appendChild((this.node = create('input', props)));
}
if (label) {
// If the label is passed first, insert it before the field
// else insert it after
if (!labelPos) labelPos = firstProp == 'label' || type == 'radio' ? 'left' : 'right';
if ('className' in field) {
label.className += ' ' + field.className;
}
if (field.style && field.style.label) {
label.style.cssText = field.style.label;
}
addLabel(labelPos, label, retNode);
}
if (field.after) {
retNode.appendChild(document.createTextNode(field.after));
}
if (field.attr) {
var self = this;
Object.keys(field.attr).forEach(function (key) {
self.node.setAttribute(key, field.attr[key]);
});
}
return retNode;
},
toValue: function () {
var node = this.node,
field = this.settings,
type = field.type,
unsigned = false,
rval = null;
if (!node) return rval;
if (type && type.indexOf('unsigned ') == 0) {
type = type.substring(9);
unsigned = true;
}
switch (type) {
case 'checkbox':
rval = node.checked;
break;
case 'select':
rval = node[node.selectedIndex].value;
break;
case 'radio':
var radios = node.getElementsByTagName('input');
for (var i = 0, len = radios.length; i < len; ++i) if (radios[i].checked) rval = radios[i].value;
break;
case 'button':
break;
case 'int':
case 'integer':
case 'float':
case 'number':
var num = Number(node.value);
var warn = 'Field labeled "' + field.label + '" expects a' + (unsigned ? ' positive ' : 'n ') + 'integer value';
if (isNaN(num) || (type.substr(0, 3) == 'int' && Math.ceil(num) != Math.floor(num)) || (unsigned && num < 0)) {
alert(warn + '.');
return null;
}
if (!this._checkNumberRange(num, warn)) return null;
rval = num;
break;
default:
rval = node.value;
break;
}
return rval; // value read successfully
},
reset: function () {
var node = this.node,
field = this.settings,
type = field.type;
if (!node) return;
switch (type) {
case 'checkbox':
node.checked = this['default'];
break;
case 'select':
for (var i = 0, len = node.options.length; i < len; ++i) if (node.options[i].value == this['default']) node.selectedIndex = i;
break;
case 'radio':
var radios = node.getElementsByTagName('input');
for (var i = 0, len = radios.length; i < len; ++i) if (radios[i].value == this['default']) radios[i].checked = true;
break;
case 'button':
break;
default:
node.value = this['default'];
break;
}
},
remove: function (el) {
GM_configStruct.prototype.remove(el || this.wrapper);
this.wrapper = null;
this.node = null;
},
reload: function () {
var wrapper = this.wrapper;
if (wrapper) {
var fieldParent = wrapper.parentNode;
fieldParent.insertBefore((this.wrapper = this.toNode()), wrapper);
this.remove(wrapper);
}
},
_checkNumberRange: function (num, warn) {
var field = this.settings;
if (typeof field.min == 'number' && num < field.min) {
alert(warn + ' greater than or equal to ' + field.min + '.');
return null;
}
if (typeof field.max == 'number' && num > field.max) {
alert(warn + ' less than or equal to ' + field.max + '.');
return null;
}
return true;
},
};
// Create default instance of GM_config
var GM_config = new GM_configStruct();