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