Evergreen/staff_client/chrome/content/evergreen/main/app_shell.js

   1 sdump('D_TRACE','Loading app_shell.js\n');
   2
   3 function app_shell_init(params) {
   4         dump("TESTING: app_shell.js: " + mw.G['main_test_variable'] + '\n');
   5         replace_tab(params.d,'main_tabbox','Tab','chrome://evergreen/content/main/about.xul');
   6         mw.G.sound.beep();
   7 }
   8
   9 function close_tab( d, t1, t2 ) {
  10         // t1 = tabbox or tab, if t1 = tabbox, t2 = tab index, otherwise close current tab
  11         sdump('D_TAB',arg_dump(arguments,{1:true,2:true}));
  12         if (typeof(t1)!='object')
  13                 t1 = d.getElementById(t1);
  14         if (typeof(t1)!='object')
  15                 throw('Could not find tab or tabbox. d = ' + d + ' tabbox = ' + t1 + '\n');
  16         try {
  17                 var tabbox;
  18
  19                 if (t1.tagName == 'tabbox')
  20                         tabbox = t1;
  21                 else
  22                         tabbox = t1.parentNode.parentNode;
  23
  24                 var idx = tabbox.selectedIndex;
  25                 if (t2)
  26                         idx = t2;
  27
  28                 sdump('D_TAB','tabbox.selectedIndex = ' + tabbox.selectedIndex + '\n');
  29                 var tabs = tabbox.firstChild;
  30                 var panels = tabbox.lastChild;
  31
  32                 if (idx == 0) {
  33                         try {
  34                                 tabs.advanceSelectedTab(+1);
  35                         } catch(E) {
  36                                 dump('failed tabs.advanceSelectedTab(+1):'+js2JSON(E) + '\n');
  37                                 try {
  38                                         tabs.advanceSelectedTab(-1);
  39                                 } catch(E) {
  40                                         dump('failed again tabs.advanceSelectedTab(-1):'+js2JSON(E) + '\n');
  41                                 }
  42                         }
  43                 } else {
  44                         try {
  45                                 tabs.advanceSelectedTab(-1);
  46                         } catch(E) {
  47                                 dump('failed tabs.advanceSelectedTab(-1):'+js2JSON(E) + '\n');
  48                                 try {
  49                                         tabs.advanceSelectedTab(+1);
  50                                 } catch(E) {
  51                                         dump('failed again tabs.advanceSelectedTab(+1):'+js2JSON(E) + '\n');
  52                                 }
  53                         }
  54
  55                 }
  56
  57                 sdump('D_TAB','\tnew tabbox.selectedIndex = ' + tabbox.selectedIndex + '\n');
  58
  59                 tabs.childNodes[ idx ].hidden = true;
  60                 delete_tab_contents( panels.childNodes[ idx ] );
  61                 sdump('D_TAB','tabs.childNodes[ ' + idx + ' ].hidden = true;\n');
  62
  63                 // Make sure we keep at least one tab open.
  64                 var tab_flag = true;
  65                 for (var i = 0; i < tabs.childNodes.length; i++) {
  66                         var tab = tabs.childNodes[i];
  67                         if (!tab.hidden)
  68                                 tab_flag = false;
  69                 }
  70                 if (tab_flag)
  71                         new_tab(d,tabbox);
  72
  73         } catch(E) {
  74                 dump(E+'\n');
  75                 throw(E);
  76         }
  77 }
  78
  79 function delete_tab_contents( panel ) {
  80         sdump('D_TAB',arg_dump(arguments,{0:'.tagName'}));
  81         try {
  82                 while (panel.lastChild) { panel.removeChild(panel.lastChild); }
  83         } catch(E) {
  84                 dump(js2JSON(E)+'\n');
  85         }
  86 }
  87
  88 function find_free_tab(tabs) {
  89         var last_not_hidden = -1;
  90         for (var i = 0; i<tabs.childNodes.length; i++) {
  91                 var tab = tabs.childNodes[i];
  92                 if (!tab.hidden)
  93                         last_not_hidden = i;
  94         }
  95         if (last_not_hidden == tabs.childNodes.length - 1)
  96                 last_not_hidden = -1;
  97         // If the one next to last_not_hidden is hidden, we want it.
  98         // Basically, we fill in tabs after existing tabs for as
  99         // long as possible.
 100         var idx = last_not_hidden + 1;
 101         var candidate = tabs.childNodes[ idx ];
 102         if (candidate.hidden)
 103                 return idx;
 104         // Alright, find the first hidden then
 105         for (var i = 0; i<tabs.childNodes.length; i++) {
 106                 var tab = tabs.childNodes[i];
 107                 if (tab.hidden)
 108                         return i;
 109         }
 110         return -1;
 111 }
 112
 113 function new_tab( d, tabbox ) {
 114         sdump('D_TAB',arg_dump(arguments));
 115         if (typeof(tabbox)!='object')
 116                 tabbox = d.getElementById(tabbox);
 117         if (typeof(tabbox)!='object')
 118                 throw('Could not find tabbox. d = ' + d + ' tabbox = ' + tabbox + '\n');
 119         var tabs = tabbox.firstChild;
 120         var panels = tabbox.lastChild;
 121         var tc = find_free_tab(tabs);
 122         sdump('D_TAB','find_free_tab returned ' + tc + '\n');
 123         if (tc == -1) { return; } // let's only have up to 10 tabs
 124         var tab = tabs.childNodes[ tc ];
 125                 tab.setAttribute('label','Tab ' + (tc + 1) );
 126                 tab.hidden = false;
 127         try {
 128                 tabs.selectedIndex = tc;
 129                 replace_tab(d,tabbox,'Tab','chrome://evergreen/content/main/about.xul');
 130         } catch(E) {
 131                 dump('+++++++++++++++++++++++++++++' + E + ' : ' + js2JSON(E)+'\n');
 132         }
 133 }
 134
 135 function replace_tab( d, tabbox, label, chrome, params ) {
 136         sdump('D_TAB',arg_dump(arguments,{'3':true}));
 137         if (typeof(tabbox)!='object')
 138                 tabbox = d.getElementById(tabbox);
 139         if (typeof(tabbox)!='object')
 140                 throw('Could not find tabbox. d = ' + d + ' tabbox = ' + tabbox + '\n');
 141         var tabs = tabbox.firstChild;
 142         var panels = tabbox.lastChild;
 143         try {
 144                 var idx = tabs.selectedIndex;
 145
 146                 delete_tab_contents(panels.childNodes[ idx ]);
 147                 tabs.childNodes[ idx ].hidden = false;
 148
 149                 var frame = d.createElement('iframe');
 150                 frame.setAttribute('id','frame_'+idx);
 151                 frame.setAttribute('flex','1');
 152                 frame.setAttribute('src',chrome);
 153                 panels.childNodes[ idx ].appendChild(frame);
 154                 sdump('D_TAB','Created frame : ' + frame.id + ' for index : ' + idx + '\n');
 155                 //frame.contentWindow.parentWindow = parentWindow;
 156                 //frame.contentWindow.tabWindow = this;
 157                 //dump('replace_tab.tabWindow = ' + this + '\n');
 158                 frame.contentWindow.mw = mw;
 159                 //frame.contentWindow.am_i_a_top_level_tab = true;
 160                 if (params) {
 161                         frame.contentWindow.params = params;
 162                 }
 163                 return frame.contentWindow;
 164         } catch(E) {
 165                 dump(js2JSON(E)+'\n');
 166         }
 167         //debug_tabs(d,tabbox);
 168 }