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3cfc4c9f RK |
1 | // Copyright (c) 2012 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 text area. | |
23 | * | |
24 | * @author konigsberg@google.com (Robert Konigsberg) | |
25 | */ | |
26 | "use strict"; | |
27 | ||
28 | function TextArea(parent) { | |
29 | var body = document.getElementsByTagName("body")[0]; | |
30 | if (!parent) { | |
31 | parent = body; | |
32 | } | |
b4977548 RK |
33 | this.elem = TextArea.createChild("div", parent, "textarea"); |
34 | this.title = TextArea.createChild("div", this.elem, "title"); | |
35 | this.textarea = TextArea.createChild("textarea", this.elem, "editor"); | |
36 | this.buttons = TextArea.createChild("div", this.elem, "buttons"); | |
37 | this.ok = TextArea.createChild("button", this.buttons); | |
3cfc4c9f | 38 | this.ok.textContent = "OK"; |
b4977548 | 39 | this.cancel = TextArea.createChild("button", this.buttons); |
3cfc4c9f RK |
40 | this.cancel.textContent = "Cancel"; |
41 | ||
42 | var textarea = this; | |
43 | this.ok.onclick = function() { | |
44 | textarea.hide(); | |
45 | textarea.okCallback(textarea.textarea.value); | |
46 | }; | |
47 | this.cancel.onclick = function() { | |
48 | textarea.hide(); | |
49 | textarea.cancelCallback(); | |
50 | }; | |
51 | this.reposition = function() { | |
52 | var left = (document.documentElement.clientWidth - textarea.elem.offsetWidth) / 2; | |
53 | var top = (document.documentElement.clientHeight - textarea.elem.offsetHeight) / 2; | |
3cfc4c9f RK |
54 | textarea.elem.style.left = Math.max(left, 0) + "px"; |
55 | textarea.elem.style.top = Math.max(top, 0) + "px"; | |
56 | } | |
57 | ||
b4977548 | 58 | this.background = TextArea.createChild("div", body, "background"); |
3cfc4c9f RK |
59 | this.background.id = "modalBackground"; |
60 | this.hide(); | |
61 | } | |
62 | ||
b4977548 RK |
63 | /* I think this is the third place I've copied this function */ |
64 | TextArea.createChild = function(type, parent, className) { | |
65 | var elem = document.createElement(type); | |
66 | parent.appendChild(elem); | |
67 | if (className) { | |
68 | elem.className = className; | |
69 | } | |
70 | return elem; | |
71 | }; | |
72 | ||
3cfc4c9f RK |
73 | TextArea.prototype.cancelCallback = function() { |
74 | }; | |
75 | ||
76 | TextArea.prototype.okCallback = function(content) { | |
77 | }; | |
78 | ||
79 | TextArea.prototype.show = function(title, content) { | |
80 | this.title.textContent = title; | |
81 | this.textarea.value = content; | |
82 | ||
83 | var height = 315; | |
84 | var width = 445; | |
85 | ||
86 | ||
87 | var sums = function(adds, subtracts, field) { | |
88 | var total = 0; | |
89 | for (var idx in adds) { | |
90 | total += parseInt(adds[idx][field]); | |
91 | } | |
92 | for (var idx2 in subtracts) { | |
93 | total -= parseInt(subtracts[idx2][field]); | |
94 | } | |
95 | return total; | |
96 | } | |
97 | this.elem.style.display = "block"; | |
98 | this.background.style.display = "block"; | |
99 | ||
100 | this.elem.style.height = height + "px"; | |
101 | this.elem.style.width = width + "px"; | |
102 | ||
103 | this.textarea.style.height = (-18 + sums([this.elem], [this.title, this.buttons], "offsetHeight")) + "px"; | |
104 | this.textarea.style.width = (-16 + sums([this.elem], [ ], "offsetWidth")) + "px"; | |
105 | ||
106 | this.reposition(); | |
107 | window.addEventListener('resize', this.reposition, false); | |
108 | document.documentElement.addEventListener('onscroll', this.reposition); | |
109 | } | |
110 | ||
111 | TextArea.prototype.hide = function() { | |
112 | this.elem.style.display = "none"; | |
113 | this.background.style.display = "none"; | |
114 | window.removeEventListener("resize", this.reposition); | |
115 | document.documentElement.removeEventListener("onscroll", this.reposition); | |
116 | } |