Mercurial > hg > digilib

comparison client/digitallibrary/relato/relato.js @ 208:cdc149c1a1a3

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relato juhuii
author luginbue
date Thu, 25 Mar 2004 11:56:08 +0100
parents
children bc52b6e6eeea
comparison
equal deleted inserted replaced
207:82f0c562e2db 208:cdc149c1a1a3
1 top.name = 'f'
2
3 if ( !top.focused )
4 top.focused = '';
5
6
7 function identity() {
8 return 'Relato v0.1';
9 }
10
11
12 function frameSelected() {
13 return top.focused != '';
14 }
15
16
17 function noFrameSelected() {
18 alert( "No frame activated at the moment - click on the desired frame to activate it!" );
19 }
20
21
22 function nameOfSelectedFrame() {
23 return top.focused.name;
24 }
25
26
27 function selectedFrameObject() {
28 return top.focused;
29 }
30
31
32 function hex_color(dec) {
33 var hex = "#";
34 for (i = 6; i > 0; i--) {
35 var pow = Math.pow(16, i);
36 if (pow < dec) {
37 val = parseInt(dec / pow);
38 dec -= val*pow;
39 if (val > 9) {
40 switch (val) {
41 case (10): hex += 'A'; break;
42 case (11): hex += 'B'; break;
43 case (12): hex += 'C'; break;
44 case (13): hex += 'D'; break;
45 case (14): hex += 'E'; break;
46 case (15): hex += 'F'; break;
47 }
48 } else {
49 hex += val;
50 }
51 } else {
52 hex += "0";
53 }
54 }
55 return hex;
56 }
57
58 function init() {
59 // do the initialisation just if it is top-level relato
60 if ( top == window ) {
61 init_rec( top, top.name );
62 }
63 return true;
64 }
65
66
67 function init_rec( current, name ) {
68
69 if (current.frames.length > 0) {
70 for ( i=0; i < current.frames.length; i++ ) {
71 if (!current.frames[i].name) {
72 current.frames[i].name = name + i;
73 }
74 current.frames[i].addEventListener( 'click', focusListener, true );
75 current.frames[i].addEventListener( 'unload', unloadListener, true );
76 if (current.frames[i] == selectedFrameObject()) {
77 // var color = current.frames[i].document.bgColor;
78 // if (color.match(/#\d{6}/)) {
79 // color = parseInt('0x' + color.slice(1)) - parseInt('0x222222');
80 // if (color < 0) {
81 // color = 0;
82 // }
83 // current.frames[i].document.bgColor = hex_color(color);
84 // }
85 current.frames[i].document.bgColor = '#444444';
86 }
87 init_rec( current.frames[i], current.frames[i].name );
88 }
89 }
90 }
91
92
93 function focusListener( event ) {
94
95 var active = this;
96
97 if ( event.ctrlKey ) {
98 active = this.parent;
99 }
100
101 markActiveFrame_rec( top, active );
102
103 top.focused = active;
104
105 // just debug information
106 window.status = top.focused.name;
107 }
108
109
110 function unloadListener( event ) {
111 setTimeout('init()', 250);
112 }
113
114 function markActiveFrame_rec(current, active) {
115
116 if ( current.frames.length > 0 ) {
117 for ( i=0; i < current.frames.length; i++ ) {
118 markActiveFrame_rec( current.frames[i], active );
119 }
120 } else {
121 if ( current.name.indexOf(active.name) == 0 ) {
122 // var color = current.document.bgColor;
123 // if (color.match(/#\d{6}/)) {
124 // color = parseInt('0x' + color.slice(1)) - parseInt('0x222222');
125 // if (color < 0) {
126 // color = 0;
127 // }
128 // current.document.bgColor = hex_color(color);
129 // }
130 current.document.bgColor = '#444444';
131 } else {
132 current.document.bgColor = '#666666';
133 }
134 }
135 }
136
137
138 function loadFocusedFrame(url) {
139
140 if (frameSelected()) {
141 top.focused.location.href = url;
142 setTimeout( 'top.init()', 1000 );
143 } else {
144 noFrameSelected();
145 }
146 }
147
148
149 function loadNamedFrame(url, framename) {
150
151 desired = loadNamedFrame_rec(top, framename);
152 if ( desired ) {
153 desired.location.href = url;
154 setTimeout( 'top.init()', 1000 );
155 } else {
156 alert( "Error - a frame with this name does not exist!" );
157 }
158 }
159
160 function loadNamedFrame_rec(current, framename) {
161
162 if ( current.frames.length > 0 ) {
163 for ( i=0; i < current.frames.length; i++ ) {
164 thisone = loadNamedFrame_rec(current.frames[i], framename);
165 if (thisone) {
166 return thisone;
167 }
168 }
169 } else {
170 if (current.name == framename) {
171 return current;
172 } else {
173 return null;
174 }
175 }
176 }