1 files changed, 91 insertions, 0 deletions
diff --git a/js/index.js b/js/index.js
new file mode 100644
index 0000000..ae0586b
--- /dev/null
+++ b/js/index.js
@@ -0,0 +1,91 @@
+Event.observe(window,'load',tasklistInit);
+Event.observe(window,'load',searchInit);
+
+function tasklistInit() {
+  Caret.init();
+}
+function searchInit() {
+  if (navigator.appVersion.match(/\bMSIE 6\.0\b/) && $('searchthisproject') && $('reset')) {
+    Event.observe('searchthisproject','click',function() {$('reset').remove();});
+  }
+}
+var Caret = {
+  init: function () {
+    var task = sessionStorage.getItem('current_task') || 'top';
+    if (task == 'bottom' || task == 'top') {
+      var tab = $('tasklist_table');
+      var rows = tab ? tab.getElementsByTagName('tbody')[0].getElementsByTagName('tr') : [];
+      Caret.currentRow = (task == 'top' || rows.length == 0) ? rows[0] : rows[rows.length-1];
+    }
+    else {
+      Caret.currentRow = $('task'+task);
+    }
+    if (Caret.currentRow) {
+      Element.addClassName(Caret.currentRow,'current_row');
+      Event.observe(document,'keydown',Caret.keypress);
+    }
+  },
+  keypress: function (e) {
+    var src = Event.element(e);
+    if (/input|select|textarea/.test(src.nodeName.toLowerCase())) {
+      // don't do anything if key is pressed in input, select or textarea
+      return;
+    }
+    if ((useAltForKeyboardNavigation && !e.altKey) ||
+        (!useAltForKeyboardNavigation && e.altKey) ||
+         e.ctrlKey || e.shiftKey) {
+      return;
+    }
+    switch (e.keyCode) {
+      case 74:       // user pressed "j" move down
+          Element.removeClassName(Caret.currentRow,'current_row');
+          Caret.nextRow();
+          Element.addClassName(Caret.currentRow,'current_row');
+          Event.stop(e);
+          break;
+      case 75:      // user pressed "k" move up
+          Element.removeClassName(Caret.currentRow,'current_row');
+          Caret.previousRow();
+          Element.addClassName(Caret.currentRow,'current_row');
+          Event.stop(e);
+          break;
+      case 79:     // user pressed "o" open task
+          window.location = Caret.currentRow.getElementsByTagName('a')[0].href; // FIXME ambiguous in future: if first a is not a link to the task, e.g. a column with link to task opener 
+          Event.stop(e);
+          break;
+    }
+  },
+  nextRow: function () {
+    var row = Caret.currentRow;
+    while ((row = row.nextSibling)) {
+      if ('tr' == row.nodeName.toLowerCase()) {
+        Caret.currentRow = row;
+        return;
+      }
+    }
+    // we've reached the bottom of the list
+    if ($('next')) {
+      //Cookie.setVar('current_task','top'); // doesn't work well on multitab multiproject usage
+      sessionStorage.setItem('current_task','top');
+      window.location = $('next').href;
+      return;
+    }
+  },
+  previousRow: function () {
+    var row = Caret.currentRow;
+    while ((row = row.previousSibling)) {
+      if ('tr' == row.nodeName.toLowerCase()) {
+        Caret.currentRow = row;
+        return;
+      }
+    }
+    // we've reached the top of the list
+    if ($('previous')) {
+      //Cookie.setVar('current_task','bottom'); // doesn't work well on multitab multiproject usage
+      sessionStorage.setItem('current_task','bottom');
+      window.location = $('previous').href;
+      return;
+    }
+    
+  }
+};