Initial OpenECOMP Portal commit

[portal.git] / ecomp-portal-FE / client / bower_components / jqTree / lib / key_handler.js

diff --git a/ecomp-portal-FE/client/bower_components/jqTree/lib/key_handler.js b/ecomp-portal-FE/client/bower_components/jqTree/lib/key_handler.js
new file mode 100644 (file)
index 0000000..9c050ac
--- /dev/null
+++ b/ecomp-portal-FE/client/bower_components/jqTree/lib/key_handler.js
@@ -0,0 +1,120 @@
+var $, KeyHandler,
+  bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+
+$ = jQuery;
+
+KeyHandler = (function() {
+  var DOWN, LEFT, RIGHT, UP;
+
+  LEFT = 37;
+
+  UP = 38;
+
+  RIGHT = 39;
+
+  DOWN = 40;
+
+  function KeyHandler(tree_widget) {
+    this.selectNode = bind(this.selectNode, this);
+    this.tree_widget = tree_widget;
+    if (tree_widget.options.keyboardSupport) {
+      $(document).bind('keydown.jqtree', $.proxy(this.handleKeyDown, this));
+    }
+  }
+
+  KeyHandler.prototype.deinit = function() {
+    return $(document).unbind('keydown.jqtree');
+  };
+
+  KeyHandler.prototype.moveDown = function() {
+    var node;
+    node = this.tree_widget.getSelectedNode();
+    if (node) {
+      return this.selectNode(node.getNextNode());
+    } else {
+      return false;
+    }
+  };
+
+  KeyHandler.prototype.moveUp = function() {
+    var node;
+    node = this.tree_widget.getSelectedNode();
+    if (node) {
+      return this.selectNode(node.getPreviousNode());
+    } else {
+      return false;
+    }
+  };
+
+  KeyHandler.prototype.moveRight = function() {
+    var node;
+    node = this.tree_widget.getSelectedNode();
+    if (!node) {
+      return true;
+    } else if (!node.isFolder()) {
+      return true;
+    } else {
+      if (node.is_open) {
+        return this.selectNode(node.getNextNode());
+      } else {
+        this.tree_widget.openNode(node);
+        return false;
+      }
+    }
+  };
+
+  KeyHandler.prototype.moveLeft = function() {
+    var node;
+    node = this.tree_widget.getSelectedNode();
+    if (!node) {
+      return true;
+    } else if (node.isFolder() && node.is_open) {
+      this.tree_widget.closeNode(node);
+      return false;
+    } else {
+      return this.selectNode(node.getParent());
+    }
+  };
+
+  KeyHandler.prototype.handleKeyDown = function(e) {
+    var key;
+    if (!this.tree_widget.options.keyboardSupport) {
+      return true;
+    }
+    if ($(document.activeElement).is('textarea,input,select')) {
+      return true;
+    }
+    if (!this.tree_widget.getSelectedNode()) {
+      return true;
+    }
+    key = e.which;
+    switch (key) {
+      case DOWN:
+        return this.moveDown();
+      case UP:
+        return this.moveUp();
+      case RIGHT:
+        return this.moveRight();
+      case LEFT:
+        return this.moveLeft();
+    }
+    return true;
+  };
+
+  KeyHandler.prototype.selectNode = function(node) {
+    if (!node) {
+      return true;
+    } else {
+      this.tree_widget.selectNode(node);
+      if (this.tree_widget.scroll_handler && (!this.tree_widget.scroll_handler.isScrolledIntoView($(node.element).find('.jqtree-element')))) {
+        this.tree_widget.scrollToNode(node);
+      }
+      return false;
+    }
+  };
+
+  return KeyHandler;
+
+})();
+
+module.exports = KeyHandler;