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