Refactor GM_config, this version uses lz-string to access data for a Library script
目前为
此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.greasyfork.icu/scripts/372760/633461/GM_config_lz-string.js
// ==UserScript==
// @namespace http://tampermonkey.net/
// @exclude *
// ==UserLibrary==
// @name GM_config_lz-string
// @description Refactor GM_config, this version uses lz-string to access data for a Library script
// @author avan
// @license MIT
// @version 0.4
// ==/UserScript==
// ==/UserLibrary==
GM_configStruct.prototype.read = function (store) {
var rval, cKey, dValue;
try {
cKey = LZString.compressToUTF16(store || this.id);
dValue = LZString.decompressFromUTF16(this.getValue(cKey, '{}'));
rval = this.parser(dValue);
} catch(e) {
this.log("GM_config failed to read saved settings!");
rval = {};
}
return rval;
};
GM_configStruct.prototype.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 {
var cKey = LZString.compressToUTF16(store || this.id),
cValue = LZString.compressToUTF16(this.stringify(obj || values));
this.setValue(cKey, cValue);
} catch(e) {
this.log("GM_config failed to save settings!");
}
return forgotten;
};
GM_configField.prototype.toNode = function() {
var field = this.settings,
value = this.value,
options = field.options,
type = field.type,
className = field.class,
style = field.style,
id = this.id,
configId = this.configId,
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;
var props = {className: className || '', style: style || ''};
switch (type) {
case 'textarea':
props.innerHTML = value;
props.id = configId + '_field_' + id;
props.className = (props.className ? props.className + ' ' : '') + 'block';
props.cols = (field.cols ? field.cols : 20);
props.rows = (field.rows ? field.rows : 2);
retNode.appendChild((this.node = create('textarea', props)));
break;
case 'radio':
props.id = configId + '_field_' + id;
var wrap = create('div', props);
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':
props.id = configId + '_field_' + id;
var wrap = create('select', props);
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
props.id = configId + '_field_' + id;
props.type = type;
props.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;
case 'password':
props.size = field.size ? field.size : 25;
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;
};