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20590000 RK |
1 | // Copyright (c) 2011 Google, Inc. |
2 | // | |
3 | // Permission is hereby granted, free of charge, to any person obtaining a copy | |
4 | // of this software and associated documentation files (the "Software"), to deal | |
5 | // in the Software without restriction, including without limitation the rights | |
6 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
7 | // copies of the Software, and to permit persons to whom the Software is | |
8 | // furnished to do so, subject to the following conditions: | |
9 | // | |
10 | // The above copyright notice and this permission notice shall be included in | |
11 | // all copies or substantial portions of the Software. | |
12 | // | |
13 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
14 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
15 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
16 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
17 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
18 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
19 | // THE SOFTWARE. | |
20 | ||
21 | /** | |
22 | * @fileoverview Dygraphs options palette. | |
23 | * | |
24 | * @author konigsberg@google.com (Robert Konigsberg) | |
25 | */ | |
26 | "use strict"; | |
27 | ||
28 | function Palette() { | |
29 | this.model = {}; | |
30 | this.onchange = function() {}; | |
31 | this.filterBar = null; | |
32 | } | |
33 | ||
34 | Palette.prototype.create = function(document, parentElement) { | |
35 | var palette = this; | |
36 | var createChild = function(type, parentElement) { | |
37 | var element = document.createElement(type); | |
38 | parentElement.appendChild(element); | |
39 | return element; | |
40 | }; | |
41 | ||
42 | var table = createChild("table", parentElement); | |
43 | table.class = "palette"; | |
44 | ||
45 | var row = createChild("tr", table); | |
46 | row.style.display = "block"; | |
47 | ||
48 | createChild("td", row).innerText = "Filter:"; | |
49 | this.filterBar = createChild("input", createChild("td", row)); | |
50 | this.filterBar.onkeyup = function() { | |
51 | palette.filter(palette.filterBar.value) | |
52 | }; | |
53 | var go = document.createElement("button"); | |
54 | createChild("td", row).appendChild(go); | |
55 | go.innerText = "Redraw" | |
56 | go.onclick = function() { | |
57 | palette.onchange(); | |
58 | }; | |
59 | ||
60 | for (var opt in opts) { | |
61 | try { | |
62 | if (opts.hasOwnProperty(opt)) { | |
63 | var type = opts[opt].type; | |
64 | var isFunction = type.indexOf("function(") == 0; | |
65 | var row = createChild("tr", table); | |
66 | var div = createChild("div", createChild("td", row)); | |
67 | var a = createChild("a", div); | |
68 | a.innerText = opt; | |
69 | a.href = "http://dygraphs.com/options.html#" + opt; | |
70 | a.title = Dygraph.OPTIONS_REFERENCE[opt].description; | |
71 | a.target="_blank"; | |
72 | ||
73 | if (isFunction) { | |
74 | var input = createChild("button", createChild("td", row)); | |
75 | input.onclick = function(opt, palette) { | |
76 | return function(event) { | |
77 | var entry = palette.model[opt]; | |
78 | var inputValue = entry.functionString; | |
79 | if (inputValue == null || inputValue.length == 0) { | |
80 | inputValue = type + "{ }"; | |
81 | } | |
82 | var value = prompt("enter function", inputValue); | |
83 | if (value != null) { | |
84 | if (value.length == 0) { | |
85 | value = null; | |
86 | } | |
87 | if (value != inputValue) { | |
88 | entry.functionString = value; | |
89 | entry.input.innerText = value ? "defined" : "not defined"; | |
90 | palette.onchange(); | |
91 | } | |
92 | } | |
93 | } | |
94 | }(opt, this); | |
95 | } else { | |
96 | var input = createChild("input", createChild("td", row)); | |
97 | input.onkeypress = function(event) { | |
98 | var keycode = event.which; | |
99 | if (keycode == 13 || keycode == 8) { | |
100 | palette.onchange(); | |
101 | } | |
102 | } | |
103 | ||
104 | input.type="text"; | |
105 | } | |
106 | this.model[opt] = { input: input, row: row }; | |
107 | } | |
108 | } catch(err) { | |
109 | throw "For option " + opt + ":" + err; | |
110 | } | |
111 | } | |
112 | this.filter(""); | |
113 | } | |
114 | ||
115 | // TODO: replace semicolon parsing with comma parsing, and supporting quotes. | |
116 | Palette.parseStringArray = function(value) { | |
117 | if (value == null || value.length == 0) { | |
118 | return null; | |
119 | } | |
120 | return value.split(";"); | |
121 | } | |
122 | ||
123 | Palette.parseBooleanArray = function(value) { | |
124 | if (value == null || value.length == 0) { | |
125 | return null; | |
126 | } | |
127 | return value.split(',').map(function(x) { return x.trim() == "true"; }); | |
128 | } | |
129 | ||
130 | Palette.parseFloatArray = function(value) { | |
131 | if (value == null || value.length == 0) { | |
132 | return null; | |
133 | } | |
134 | return value.split(',').map(function(x) { return parseFloat(x); }); | |
135 | } | |
136 | ||
137 | Palette.parseIntArray = function(value) { | |
138 | if (value == null || value.length == 0) { | |
139 | return null; | |
140 | } | |
141 | return value.split(',').map(function(x) { return parseInt(x); }); | |
142 | } | |
143 | ||
144 | Palette.prototype.read = function() { | |
145 | var results = {}; | |
146 | for (var opt in this.model) { | |
147 | if (this.model.hasOwnProperty(opt)) { | |
148 | var type = opts[opt].type; | |
149 | var isFunction = type.indexOf("function(") == 0; | |
150 | var input = this.model[opt].input; | |
151 | var value = isFunction ? this.model[opt].functionString : input.value; | |
152 | if (value && value.length != 0) { | |
153 | if (type == "boolean") { | |
154 | results[opt] = value == "true"; | |
155 | } else if (type == "int") { | |
156 | results[opt] = parseInt(value); | |
157 | } else if (type == "float") { | |
158 | results[opt] = parseFloat(value); | |
159 | } else if (type == "array<string>") { | |
160 | results[opt] = Palette.parseStringArray(value); | |
161 | } else if (type == "array<float>") { | |
162 | results[opt] = Palette.parseFloatArray(value); | |
163 | } else if (type == "array<boolean>") { | |
164 | results[opt] = Palette.parseBooleanArray(value); | |
165 | } else if (type == "array<Date>") { | |
166 | results[opt] = Palette.parseIntArray(value); | |
167 | } else if (isFunction) { | |
168 | var localVariable = null; | |
169 | eval("localVariable = " + value); | |
170 | results[opt] = localVariable; | |
171 | } else { | |
172 | results[opt] = value; | |
173 | } | |
174 | } | |
175 | } | |
176 | } | |
177 | return results; | |
178 | } | |
179 | ||
180 | /** | |
181 | * Write to input elements. | |
182 | */ | |
183 | Palette.prototype.write = function(hash) { | |
184 | var results = {}; | |
185 | for (var opt in this.model) { | |
186 | // && hash.hasOwnProperty(opt) | |
187 | if (this.model.hasOwnProperty(opt)) { | |
188 | var input = this.model[opt].input; | |
189 | var type = opts[opt].type; | |
190 | var value = hash[opt]; | |
191 | if (type == "array<string>") { | |
192 | if (value) { | |
193 | input.value = value.join("; "); | |
194 | } | |
195 | } else if (type.indexOf("array") == 0) { | |
196 | if (value) { | |
197 | input.value = value.join(", "); | |
198 | } | |
199 | } else if (type.indexOf("function(") == 0) { | |
200 | input.innerText = value ? "defined" : "not defined"; | |
201 | this.model[opt].functionString = value ? value.toString() : null; | |
202 | } else { | |
203 | if (value) { | |
204 | input.value = value; | |
205 | } | |
206 | } | |
207 | } | |
208 | } | |
209 | } | |
210 | ||
211 | Palette.prototype.filter = function(pattern) { | |
212 | pattern = pattern.toLowerCase(); | |
213 | for (var opt in this.model) { | |
214 | if (this.model.hasOwnProperty(opt)) { | |
215 | var row = this.model[opt].row; | |
216 | row.style.display = (opt.toLowerCase().indexOf(pattern) >= 0) ? "block" : "none"; | |
217 | } | |
218 | } | |
219 | } |