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GM_config_lz-string

Refactor GM_config, this version uses lz-string to access data for a Library script

目前為 2018-10-02 提交的版本，檢視 最新版本。

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.cn-greasyfork.org/scripts/372760/633461/GM_config_lz-string.js 

  1. // ==UserScript==
  2. // @namespace     http://tampermonkey.net/
  3. // @exclude       *
  4.  
  5. // ==UserLibrary==
  6. // @name          GM_config_lz-string
  7. // @description   Refactor GM_config, this version uses lz-string to access data for a Library script
  8. // @author        avan
  9. // @license       MIT
  10. // @version       0.4
  11.  
  12. // ==/UserScript==
  13.  
  14. // ==/UserLibrary==
  15.  
  16. GM_configStruct.prototype.read = function (store) {
  17. 	var rval, cKey, dValue;
  18. 	try {
  19. 		cKey = LZString.compressToUTF16(store || this.id);
  20. 		dValue = LZString.decompressFromUTF16(this.getValue(cKey, '{}'));
  21. 		rval = this.parser(dValue);
  22. 	} catch(e) {
  23. 		this.log("GM_config failed to read saved settings!");
  24. 		rval = {};
  25. 	}
  26. 	return rval;
  27. };
  28.  
  29. GM_configStruct.prototype.write = function (store, obj) {
  30. 	if (!obj) {
  31. 		var values = {},
  32. 			forgotten = {},
  33. 			fields = this.fields;
  34.  
  35. 		for (var id in fields) {
  36. 			var field = fields[id];
  37. 			var value = field.toValue();
  38.  
  39. 			if (field.save) {
  40. 				if (value !== null) {
  41. 					values[id] = value;
  42. 					field.value = value;
  43. 				} else
  44. 					values[id] = field.value;
  45. 			} else
  46. 				forgotten[id] = value;
  47. 		}
  48. 	}
  49. 	try {
  50. 		var cKey = LZString.compressToUTF16(store || this.id),
  51. 			cValue = LZString.compressToUTF16(this.stringify(obj || values));
  52. 		this.setValue(cKey, cValue);
  53. 	} catch(e) {
  54. 		this.log("GM_config failed to save settings!");
  55. 	}
  56.  
  57. 	return forgotten;
  58. };
  59. GM_configField.prototype.toNode = function() {
  60. 	var field = this.settings,
  61. 		value = this.value,
  62. 		options = field.options,
  63. 		type = field.type,
  64. 		className = field.class,
  65. 		style = field.style,
  66. 		id = this.id,
  67. 		configId = this.configId,
  68. 		labelPos = field.labelPos,
  69. 		create = this.create;
  70. 	function addLabel(pos, labelEl, parentNode, beforeEl) {
  71. 		if (!beforeEl) beforeEl = parentNode.firstChild;
  72. 		switch (pos) {
  73. 			case 'right':
  74. 			case 'below':
  75. 				if (pos == 'below')
  76. 					parentNode.appendChild(create('br', {}));
  77. 				parentNode.appendChild(labelEl);
  78. 				break;
  79. 			default:
  80. 				if (pos == 'above')
  81. 					parentNode.insertBefore(create('br', {}), beforeEl);
  82. 				parentNode.insertBefore(labelEl, beforeEl);
  83. 		}
  84. 	}
  85. 	var retNode = create('div', {
  86. 		className: 'config_var',
  87. 		id: configId + '_' + id + '_var',
  88. 		title: field.title || '',
  89. 		
  90. 	}),
  91. 		firstProp;
  92. 	// Retrieve the first prop
  93. 	for (var i in field) {
  94. 		firstProp = i;
  95. 		break;
  96. 	}
  97. 	var label = field.label && type != "button" ?
  98. 		create('label', {
  99. 			id: configId + '_' + id + '_field_label',
  100. 			for: configId + '_field_' + id,
  101. 			className: 'field_label'
  102. 		}, field.label) : null;
  103. 	var props = {className: className || '', style: style || ''};
  104. 	switch (type) {
  105. 		case 'textarea':
  106. 			props.innerHTML = value;
  107. 			props.id = configId + '_field_' + id;
  108. 			props.className = (props.className ? props.className + ' ' : '') + 'block';
  109. 			props.cols = (field.cols ? field.cols : 20);
  110. 			props.rows = (field.rows ? field.rows : 2);
  111. 			retNode.appendChild((this.node = create('textarea', props)));
  112. 			break;
  113. 		case 'radio':
  114. 			props.id = configId + '_field_' + id;
  115. 			var wrap = create('div', props);
  116. 			this.node = wrap;
  117. 			for (var i = 0, len = options.length; i < len; ++i) {
  118. 				var radLabel = create('label', {
  119. 					className: 'radio_label'
  120. 				}, options[i]);
  121. 				var rad = wrap.appendChild(create('input', {
  122. 					value: options[i],
  123. 					type: 'radio',
  124. 					name: id,
  125. 					checked: options[i] == value
  126. 				}));
  127. 				var radLabelPos = labelPos &&
  128. 					(labelPos == 'left' || labelPos == 'right') ?
  129. 					labelPos : firstProp == 'options' ? 'left' : 'right';
  130. 				addLabel(radLabelPos, radLabel, wrap, rad);
  131. 			}
  132. 			retNode.appendChild(wrap);
  133. 			break;
  134. 		case 'select':
  135. 			props.id = configId + '_field_' + id;
  136. 			var wrap = create('select', props);
  137. 			this.node = wrap;
  138. 			for (var i = 0, len = options.length; i < len; ++i) {
  139. 				var option = options[i];
  140. 				wrap.appendChild(create('option', {
  141. 					value: option,
  142. 					selected: option == value
  143. 				}, option));
  144. 			}
  145. 			retNode.appendChild(wrap);
  146. 			break;
  147. 		default: // fields using input elements
  148. 			props.id = configId + '_field_' + id;
  149. 			props.type = type;
  150. 			props.value = type == 'button' ? field.label : value;
  151. 			switch (type) {
  152. 				case 'checkbox':
  153. 					props.checked = value;
  154. 					break;
  155. 				case 'button':
  156. 					props.size = field.size ? field.size : 25;
  157. 					if (field.script) field.click = field.script;
  158. 					if (field.click) props.onclick = field.click;
  159. 					break;
  160. 				case 'hidden':
  161. 					break;
  162. 				case 'password':
  163. 					props.size = field.size ? field.size : 25;
  164. 					break;
  165. 				default:
  166. 					// type = text, int, or float
  167. 					props.type = 'text';
  168. 					props.size = field.size ? field.size : 25;
  169. 			}
  170. 			retNode.appendChild((this.node = create('input', props)));
  171. 	}
  172. 	if (label) {
  173. 		// If the label is passed first, insert it before the field
  174. 		// else insert it after
  175. 		if (!labelPos)
  176. 			labelPos = firstProp == "label" || type == "radio" ?
  177. 				"left" : "right";
  178. 		addLabel(labelPos, label, retNode);
  179. 	}
  180. 	return retNode;
  181. };