GM_config library
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.gf.qytechs.cn/scripts/2855/33973/GM_config.js
// ==UserScript==
// @name GM_config
// @namespace GM_config
// @description GM_config library
// @source https://github.com/Zod-/GM_config
// @version 1.1.2
// @copyright sizzlemctwizzle
// @copyright Zod-
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_deleteValue
// @grant GM_log
// @license LGPL 3
// ==/UserScript==
/*
Copyright 2009-2013, GM_config Contributors
All rights reserved.
GM_config Contributors:
Mike Medley <[email protected]>
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();
}
}
function removeSectionDuplicates(fields) {
var section,
subsection,
field;
for (var i = 0; i < fields.length; i += 1) {
field = fields[i];
if (typeof field.section !== 'undefined') {
if (field.section[0] === section) {
if (field.section.length > 1) {
if (field.section[1] === subsection) {
field.section = undefined;
} else {
subsection = field.section[1];
field.section = [undefined, subsection];
}
} else {
field.section = undefined;
}
} else {
section = field.section[0];
subsection = (field.section.length > 1) ? field.section[1] : undefined;
}
}
}
return fields;
}
function compareField(a, b) {
var r = 0;
if (typeof a.section === 'undefined' || typeof b.section === 'undefined') {
if(typeof a.section === 'undefined' && typeof b.section === 'undefined'){
r = a.label.localeCompare(b.label);
}else if(typeof a.section === 'undefined'){
r = -1;
}else{
r = 1;
}
} else if (a.section[0] === b.section[0]) {
if (a.section.length !== b.section.length) {
r = a.section.length - b.section.length;
} else if (a.section.length === 1 && b.section.length === 1) {
r = a.label.localeCompare(b.label);
} else {
if (a.section[1] === b.section[1]) {
r = a.label.localeCompare(b.label);
} else {
r = a.section[1].localeCompare(b.section[1]);
}
}
} else {
r = a.section[0].localeCompare(b.section[0]);
}
return r;
}
// 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 = 'User Script Settings';
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; }"
].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
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 = {
onOpen: arg
};
break;
case 'string': // could be custom CSS or the title string
if (/\w+\s*\{\s*\w+\s*:\s*\w+[\s|\S]*\}/.test(arg))
settings.css = arg;
else
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;
// Set the frame
if (settings.frame) config.frame = settings.frame;
// Set the event callbacks
if (settings.events) {
var events = settings.events;
for (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 || {},
field;
if (fields instanceof Array) {
fields.sort(compareField);
fields = removeSectionDuplicates(fields);
for (var h = 0; h < fields.length; h += 1) {
field = fields[h];
// for each field definition create a field object
if (field) {
config.fields[field.id] = new GM_configField(field, stored[field.id], field.id,
customTypes[field.type]);
} else if (config.fields[field.id]) {
delete config.fields[field.id];
}
}
} else {
for (var id in fields) {
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;
}
config.backupValues = {};
for (var f in config.fields) {
if (config.fields.hasOwnProperty(f)) {
config.backupValues[f] = config.fields[f].value;
}
}
}
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
// 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;
}
// Create field elements and append to current section
section.appendChild((field.wrapper = field.toNode(configId)));
}
// Add save and close buttons
bodyWrapper.appendChild(create('div', {
id: configId + '_buttons_holder'
},
create('button', {
id: configId + '_saveBtn',
textContent: 'Save',
title: 'Save settings',
className: 'saveclose_buttons',
onclick: function () {
config.save()
}
}),
create('button', {
id: configId + '_closeBtn',
textContent: 'Close',
title: 'Close window',
className: 'saveclose_buttons',
onclick: function () {
config.close()
}
}),
create('div', {
className: 'reset_holder block'
},
// Reset link
create('a', {
id: configId + '_resetLink',
textContent: 'Reset to defaults',
href: '#',
title: 'Reset fields to default values',
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);
// 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: 999;';
// 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
})));
// 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(),
changes;
this.onSave(forgotten); // Call the save() callback function
//check for changed values since the last save
for (var f in this.fields) {
if (this.fields.hasOwnProperty(f)) {
if (this.backupValues[f] !== this.fields[f].value) {
changes = changes || {};
changes[f] = {
'old': this.backupValues[f],
'new': this.fields[f].value
};
}
}
}
//fire onChange event and reset the backup
if (changes) {
this.onChange(changes);
this.backupValues = {};
for (var f in this.fields) {
if (this.fields.hasOwnProperty(f)) {
this.backupValues[f] = this.fields[f].value;
}
}
}
},
close: function () {
// 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, fallback) {
//return fallback value when field doesn't exist
if (this.fields.hasOwnProperty(name)){
return this.fields[name].value;
}
return fallback;
},
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
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);
}
};
// 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.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 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) {
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 = parentNode.firstChild;
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;
// 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 'textarea':
retNode.appendChild((this.node = create('textarea', {
innerHTML: value,
id: configId + '_field_' + id,
className: 'block',
cols: (field.cols ? field.cols : 20),
rows: (field.rows ? field.rows : 2)
})));
break;
case 'radio':
var wrap = create('div', {
id: configId + '_field_' + id
});
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
});
this.node = wrap;
for (var i = 0, len = options.length; i < len; ++i) {
var option = options[i];
wrap.appendChild(create('option', {
value: option,
selected: option == value
}, option));
}
retNode.appendChild(wrap);
break;
default: // fields using input elements
var props = {
id: configId + '_field_' + id,
type: type,
value: type == 'button' ? field.label : value
};
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;
default:
// type = text, int, or float
props.type = 'text';
props.size = field.size ? field.size : 25;
}
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";
addLabel(labelPos, label, retNode);
}
return retNode;
},
toValue: function () {
var node = this.node,
field = this.settings,
type = field.type,
unsigned = false,
rval = null;
if (!node) return rval;
if (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].textContent == 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();