Initial commit

#pma/js/keyhandler.js

@@ -0,0 +1,144 @@
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+
+// global var that holds: 0- if ctrl key is not pressed 1- if ctrl key is pressed
+var ctrlKeyHistory = 0;
+
+/**
+  * Allows moving around inputs/select by Ctrl+arrows
+  *
+  * @param object   event data
+  */
+function onKeyDownArrowsHandler(e)
+{
+    e = e || window.event;
+
+    var o = (e.srcElement || e.target);
+    if (!o) {
+        return;
+    }
+    if (o.tagName != "TEXTAREA" && o.tagName != "INPUT" && o.tagName != "SELECT") {
+        return;
+    }
+    if ((e.which != 17) && (e.which != 37) && (e.which != 38) && (e.which != 39) && (e.which !=40)) {
+        return;
+    }
+    if (!o.id) {
+        return;
+    }
+
+    if (e.type == "keyup") {
+        if (e.which==17) {
+            ctrlKeyHistory = 0;
+        }
+        return;
+    }
+    else if (e.type == "keydown") {
+        if (e.which == 17) {
+            ctrlKeyHistory = 1;
+        }
+    }
+
+    if (ctrlKeyHistory != 1) {
+        return;
+    }
+
+    e.preventDefault();
+
+    var pos = o.id.split("_");
+    if (pos[0] != "field" || typeof pos[2] == "undefined") {
+        return;
+    }
+
+    var x = pos[2], y = pos[1];
+
+    switch (e.keyCode) {
+    case 38:
+        // up
+        y--;
+        break;
+    case 40:
+        // down
+        y++;
+        break;
+    case 37:
+        // left
+        x--;
+        break;
+    case 39:
+        // right
+        x++;
+        break;
+    default:
+        return;
+    }
+
+    var is_firefox = navigator.userAgent.toLowerCase().indexOf("firefox/") > -1;
+
+    var id = "field_" + y + "_" + x;
+
+    var nO = document.getElementById(id);
+    if (! nO) {
+        id = "field_" + y + "_" + x + "_0";
+        nO = document.getElementById(id);
+    }
+
+    // skip non existent fields
+    if (! nO) {
+        return;
+    }
+
+    // for firefox select tag
+    var lvalue = o.selectedIndex;
+    var nOvalue = nO.selectedIndex;
+
+    nO.focus();
+
+    if (is_firefox) {
+        var ffcheck = 0;
+        var ffversion;
+        for (ffversion = 3 ; ffversion < 25 ; ffversion++) {
+            var is_firefox_v_24 = navigator.userAgent.toLowerCase().indexOf('firefox/'+ffversion) > -1;
+            if (is_firefox_v_24) {
+                ffcheck = 1;
+                break;
+            }
+        }
+        if (ffcheck == 1) {
+            if (e.which == 38 || e.which == 37) {
+                nOvalue++;
+            }
+            else if (e.which == 40 || e.which == 39) {
+                nOvalue--;
+            }
+            nO.selectedIndex=nOvalue;
+        }
+        else {
+            if (e.which == 38 || e.which == 37) {
+                lvalue++;
+            }
+            else if (e.which == 40 || e.which == 39) {
+                lvalue--;
+            }
+            o.selectedIndex=lvalue;
+        }
+    }
+
+    if (nO.tagName != 'SELECT') {
+        nO.select();
+    }
+    e.returnValue = false;
+}
+
+AJAX.registerTeardown('keyhandler.js', function () {
+    $(document).off('keydown keyup', '#table_columns');
+    $(document).off('keydown keyup', 'table.insertRowTable');
+});
+
+AJAX.registerOnload('keyhandler.js', function () {
+    $(document).on('keydown keyup', '#table_columns', function (event) {
+        onKeyDownArrowsHandler(event.originalEvent);
+    });
+    $(document).on('keydown keyup', 'table.insertRowTable', function (event) {
+        onKeyDownArrowsHandler(event.originalEvent);
+    });
+});