/[drupal]/contributions/modules/ticketyboo/ticketyboo.js
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revision 1.2, Thu Sep 4 17:55:24 2008 UTC revision 1.3, Thu Sep 11 15:49:07 2008 UTC
# Line 1  Line 1 
1  // ticketyboo Ticker  // ticketyboo Ticker object
2    function ticker(delta, id, direction, count, distance, interval, transition_events, transition_distance, pause_events, offset) {
3  var ticketyboo = new Array();     // ticker parameters
4  var ticketyseconds = new Array();     this.delta = delta; // block delta from Drupal
5  var ticketynodes = new Array();     this.id = id; // id of the moving element
6  var ticketytop = new Array();     this.direction = direction; // direction of movement
7  var ticketytimer = new Array();     this.count = count; // number of items in the ticker
8  var ticketypause = new Array();     this.distance = distance; // distance to move each item
9  var ticketylast = new Array();     this.interval = interval; // ticker interval
10  var ticketydir = new Array();     this.transition_events = transition_events; // number of ticks to move the item
11       this.transition_distance = transition_distance; // amount to move the item each tick
12  // initialise a ticker     this.pause_events = pause_events; // number of ticks in the pause event
13  function ticketyboo_init(id, seconds, nodes, direction) {     this.offset = offset; // initial starting point for ticker
14     // initial values     // current status of the ticker
15     ticketyboo[id] = 0;     this.wrapper = id+'_wrapper';
16     ticketylast[id] = 0;     this.item = 0; // the current item being displayed
17     ticketyseconds[id] = seconds;     this.status = 'initpause'; // initpause, pause, initmove, move
18     ticketynodes[id] = nodes;     this.events = 0; // number of events to go in the current status
19     ticketypause[id] = false;     this.position = 0 // current position in ticker
20     ticketydir[id] = direction;     ticketypause[delta] = false;
21       window.setInterval('tickevent('+delta+')', interval);
    // activate the first content  
    var key = "ticketyboo_" + id + "_" + ticketyboo[id];  
    // document.getElementById(key).style.display = "block";  
    ticketyboo_tick(id);  
   
    // add the timer  
    window.setInterval('ticketyboo_tick(' + id + ')', seconds * 1000);  
22  }  }
23    
24  // perform the tick  // array of tickers
25  function ticketyboo_tick(id) {  var tick = new Array();
26     if (!ticketypause[id]) {  var ticketypause = new Array();
   
       var last = ticketyboo[id];  
       var next = 1 + last;  
       if(next > ticketynodes[id]) { next = 1;}  
   
       var key = "ticketyboo_" + id + "_" + next;  
   
       ticketyboo[id] = next;  
       ticketylast[id] = last;  
   
       ticketytop[id] = 75;  
       ticketytimer[id] = window.setInterval('ticketyboo_slide(' + id + ')', 40);  
27    
28    // perform the tick event
29    function tickevent(delta) {
30       if (!ticketypause[delta]) {
31          t = tick[delta];
32          switch (t.status) {
33             case 'initpause':
34                tick[delta].events = t.pause_events;
35                tick[delta].status = 'pause';
36                tick[delta].position = t.item * t.distance;
37                tickpos(delta);
38                break;
39             case 'pause':
40                tick[delta].events = tick[delta].events - 1;
41                if (tick[delta].events == 0) {
42                   tick[delta].status = 'initmove';
43                }
44                break;
45             case 'initmove':
46                tick[delta].events = t.transition_events;
47                tick[delta].status = 'move';
48                break;
49             case 'move':
50                tick[delta].position = tick[delta].position + t.transition_distance
51                tick[delta].events = tick[delta].events - 1;
52                tickpos(delta);
53                if (tick[delta].events == 0) {
54                   tick[delta].status = 'initpause';
55                   tick[delta].item = tick[delta].item + 1;
56                   if (tick[delta].item == tick[delta].count) {
57                      tick[delta].item = 0;
58                   }
59                }
60                break;
61          }
62     }     }
63  }  }
64    
65  // animate the change  // position the element
66  function ticketyboo_slide(id) {  function tickpos(delta) {
67     var top = +ticketytop[id]-2;     t = tick[delta];
68     ticketytop[id] = top;     pos = 0 + tick[delta].position-tick[delta].offset;
69     var next = ticketyboo[id];     pos = 0 - pos;
70     var last = ticketylast[id];     if (t.direction == 'horizontal') {
71     var dir = ticketydir[id];        document.getElementById(t.wrapper).style.marginLeft = pos + 'px';
72       } else {
73     if (last != 0) {        document.getElementById(t.wrapper).style.marginTop = pos + 'px';
       var key = "ticketyboo_" + id + "_" + last;  
       document.getElementById(key).style.display = "none";  
74     }     }
   
    key = "ticketyboo_" + id + "_" + next;  
    if (dir == 'vertical' || dir == 'diagonal') {  
       document.getElementById(key).style.marginTop = top + "%";  
    }  
    if (dir == 'horizontal' || dir == 'diagonal') {  
       document.getElementById(key).style.marginLeft = top + "%";  
    }  
    document.getElementById(key).style.display = "block";  
   
    if (top <= 0) {  
       window.clearInterval(ticketytimer[id]);  
    }  
   
75  }  }
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