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(p) {
   4         dump("TESTING: app_shell.js: " + mw.G['main_test_variable'] + '\n');
   5
   6         p.w.close_tab = function (t1,t2) { return close_tab(p.w.document,t1,t2); };
   7         p.w.find_free_tab = function (tabs) { return find_free_tab(tabs); };
   8         p.w.new_tab = function () { return new_tab(p.w.document,p.tabbox); };
   9         p.w.replace_tab = function (label,chrome,params) { return replace_tab(p.w.document,p.tabbox,label,chrome,params); };
  10         p.w.get_frame_in_tab = function (idx, all_or_vis) { return get_frame_in_tab( p.w.document, p.tabbox, idx, all_or_vis ); };
  11
  12         //p.w.replace_tab('Tab','chrome://evergreen/content/main/about.xul');
  13         spawn_javascript_shell(p.w.document,'replace_tab','main_tabbox',{});
  14 }
  15
  16 function close_tab( d, t1, t2 ) {
  17         // t1 = tabbox or tab, if t1 = tabbox, t2 = tab index, otherwise close current tab
  18         sdump('D_TAB',arg_dump(arguments,{1:true,2:true}));
  19         if (typeof(t1)!='object')
  20                 t1 = d.getElementById(t1);
  21         if (typeof(t1)!='object')
  22                 throw('Could not find tab or tabbox. d = ' + d + ' tabbox = ' + t1 + '\n');
  23         try {
  24                 var tabbox;
  25
  26                 if (t1.tagName == 'tabbox')
  27                         tabbox = t1;
  28                 else
  29                         tabbox = t1.parentNode.parentNode;
  30
  31                 var idx = tabbox.selectedIndex;
  32                 if (t2)
  33                         idx = t2;
  34
  35                 sdump('D_TAB','tabbox.selectedIndex = ' + tabbox.selectedIndex + '\n');
  36                 var tabs = tabbox.firstChild;
  37                 var panels = tabbox.lastChild;
  38
  39                 if (idx == 0) {
  40                         try {
  41                                 tabs.advanceSelectedTab(+1);
  42                         } catch(E) {
  43                                 dump('failed tabs.advanceSelectedTab(+1):'+js2JSON(E) + '\n');
  44                                 try {
  45                                         tabs.advanceSelectedTab(-1);
  46                                 } catch(E) {
  47                                         dump('failed again tabs.advanceSelectedTab(-1):'+js2JSON(E) + '\n');
  48                                 }
  49                         }
  50                 } else {
  51                         try {
  52                                 tabs.advanceSelectedTab(-1);
  53                         } catch(E) {
  54                                 dump('failed tabs.advanceSelectedTab(-1):'+js2JSON(E) + '\n');
  55                                 try {
  56                                         tabs.advanceSelectedTab(+1);
  57                                 } catch(E) {
  58                                         dump('failed again tabs.advanceSelectedTab(+1):'+js2JSON(E) + '\n');
  59                                 }
  60                         }
  61
  62                 }
  63
  64                 sdump('D_TAB','\tnew tabbox.selectedIndex = ' + tabbox.selectedIndex + '\n');
  65
  66                 tabs.childNodes[ idx ].hidden = true;
  67                 sdump('D_TAB','tabs.childNodes[ ' + idx + ' ].hidden = true;\n');
  68
  69                 // Make sure we keep at least one tab open.
  70                 var tab_flag = true;
  71                 for (var i = 0; i < tabs.childNodes.length; i++) {
  72                         var tab = tabs.childNodes[i];
  73                         if (!tab.hidden)
  74                                 tab_flag = false;
  75                 }
  76                 if (tab_flag)
  77                         new_tab(d,tabbox);
  78
  79         } catch(E) {
  80                 dump(E+'\n');
  81                 throw(E);
  82         }
  83 }
  84
  85 function find_free_tab(tabs) {
  86         var last_not_hidden = -1;
  87         for (var i = 0; i<tabs.childNodes.length; i++) {
  88                 var tab = tabs.childNodes[i];
  89                 if (!tab.hidden)
  90                         last_not_hidden = i;
  91         }
  92         if (last_not_hidden == tabs.childNodes.length - 1)
  93                 last_not_hidden = -1;
  94         // If the one next to last_not_hidden is hidden, we want it.
  95         // Basically, we fill in tabs after existing tabs for as
  96         // long as possible.
  97         var idx = last_not_hidden + 1;
  98         var candidate = tabs.childNodes[ idx ];
  99         if (candidate.hidden)
 100                 return idx;
 101         // Alright, find the first hidden then
 102         for (var i = 0; i<tabs.childNodes.length; i++) {
 103                 var tab = tabs.childNodes[i];
 104                 if (tab.hidden)
 105                         return i;
 106         }
 107         return -1;
 108 }
 109
 110 function get_frame_in_tab( d, tabbox, idx, all_or_visible ) {
 111         sdump('D_TAB',arg_dump(arguments));
 112         if (typeof(tabbox)!='object')
 113                 tabbox = d.getElementById(tabbox);
 114         if (typeof(tabbox)!='object')
 115                 throw('Could not find tabbox. d = ' + d + ' tabbox = ' + tabbox + '\n');
 116         var tabs = tabbox.firstChild;
 117         var panels = tabbox.lastChild;
 118         try {
 119                 if (all_or_visible == 'visible') {
 120                         var count = 0;
 121                         for (var i = 0; i < tabs.childNodes.length; i++) {
 122                                 if (!tabs.childNodes[i].hidden) count++;
 123                                 if (count==idx) return panels.childNodes[i].getElementsByTagName('iframe')[0];
 124                         }
 125                 } else {
 126                         return panels.childNodes[ idx ].getElementsByTagName('iframe')[0];
 127                 }
 128         } catch(E) {
 129                 dump(js2JSON(E) + '\n');
 130         }
 131         return null;
 132 }
 133
 134 function new_tab( d, tabbox ) {
 135         sdump('D_TAB',arg_dump(arguments));
 136         if (typeof(tabbox)!='object')
 137                 tabbox = d.getElementById(tabbox);
 138         if (typeof(tabbox)!='object')
 139                 throw('Could not find tabbox. d = ' + d + ' tabbox = ' + tabbox + '\n');
 140         var tabs = tabbox.firstChild;
 141         var panels = tabbox.lastChild;
 142         var tc = find_free_tab(tabs);
 143         sdump('D_TAB','find_free_tab returned ' + tc + '\n');
 144         if (tc == -1) { return; } // let's only have up to 10 tabs
 145         var tab = tabs.childNodes[ tc ];
 146                 tab.setAttribute('label','Tab ' + (tc + 1) );
 147                 tab.hidden = false;
 148         try {
 149                 tabs.selectedIndex = tc;
 150                 replace_tab(d,tabbox,'Tab','chrome://evergreen/content/main/about.xul');
 151         } catch(E) {
 152                 dump('+++++++++++++++++++++++++++++' + E + ' : ' + js2JSON(E)+'\n');
 153         }
 154 }
 155
 156 function replace_tab( d, tabbox, label, chrome, params ) {
 157         sdump('D_TAB',arg_dump(arguments,{2:true,3:true,4:true}));
 158         if (typeof(tabbox)!='object')
 159                 tabbox = d.getElementById(tabbox);
 160         if (typeof(tabbox)!='object')
 161                 throw('Could not find tabbox. d = ' + d + ' tabbox = ' + tabbox + '\n');
 162         var tabs = tabbox.firstChild;
 163         var panels = tabbox.lastChild;
 164         try {
 165                 var idx = tabs.selectedIndex;
 166                 var tab = tabs.childNodes[ idx ];
 167                 var panel = panels.childNodes[ idx ];
 168
 169                 tab.hidden = false;
 170                 tab.setAttribute('label',label + ' ' + (idx+1));
 171
 172                 var frame = d.createElement('iframe');
 173                 frame.setAttribute('flex','1');
 174                 frame.setAttribute('src',chrome);
 175                 panel.appendChild(frame);
 176                 panel.replaceChild(panel.lastChild,panel.firstChild);
 177                 frame.setAttribute('id','frame_'+idx);
 178
 179                 sdump('D_TAB','Created frame : ' + frame.id + ' for index : ' + idx + ' with src=' + frame.getAttribute('src') + '\n');
 180                 //frame.contentWindow.parentWindow = parentWindow;
 181                 //frame.contentWindow.tabWindow = this;
 182                 //dump('replace_tab.tabWindow = ' + this + '\n');
 183                 frame.contentWindow.mw = mw;
 184                 //frame.contentWindow.am_i_a_top_level_tab = true;
 185                 if (params) {
 186                         frame.contentWindow.params = params;
 187                 }
 188                 return frame.contentWindow;
 189         } catch(E) {
 190                 dump(js2JSON(E)+'\n');
 191         }
 192         //debug_tabs(d,tabbox);
 193 }