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Diffstat (limited to 'views/controls/tree/tree_model.h')
-rw-r--r-- | views/controls/tree/tree_model.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/views/controls/tree/tree_model.h b/views/controls/tree/tree_model.h deleted file mode 100644 index 7fec5a8..0000000 --- a/views/controls/tree/tree_model.h +++ /dev/null @@ -1,91 +0,0 @@ -// Copyright (c) 2008 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#ifndef VIEWS_CONTROLS_TREE_TREE_MODEL_H_ -#define VIEWS_CONTROLS_TREE_TREE_MODEL_H_ - -#include <string> - -#include "base/logging.h" - -class SkBitmap; - -namespace views { - -class TreeModel; - -// TreeModelNode -------------------------------------------------------------- - -// Type of class returned from the model. -class TreeModelNode { - public: - // Returns the title for the node. - virtual std::wstring GetTitle() = 0; -}; - -// Observer for the TreeModel. Notified of significant events to the model. -class TreeModelObserver { - public: - // Notification that nodes were added to the specified parent. - virtual void TreeNodesAdded(TreeModel* model, - TreeModelNode* parent, - int start, - int count) = 0; - - // Notification that nodes were removed from the specified parent. - virtual void TreeNodesRemoved(TreeModel* model, - TreeModelNode* parent, - int start, - int count) = 0; - - // Notification the children of |parent| have been reordered. Note, only - // the direct children of |parent| have been reordered, not descendants. - virtual void TreeNodeChildrenReordered(TreeModel* model, - TreeModelNode* parent) = 0; - - // Notification that the contents of a node has changed. - virtual void TreeNodeChanged(TreeModel* model, TreeModelNode* node) = 0; -}; - -// TreeModel ------------------------------------------------------------------ - -// The model for TreeView. -class TreeModel { - public: - // Returns the root of the tree. This may or may not be shown in the tree, - // see SetRootShown for details. - virtual TreeModelNode* GetRoot() = 0; - - // Returns the number of children in the specified node. - virtual int GetChildCount(TreeModelNode* parent) = 0; - - // Returns the child node at the specified index. - virtual TreeModelNode* GetChild(TreeModelNode* parent, int index) = 0; - - // Returns the parent of a node, or NULL if node is the root. - virtual TreeModelNode* GetParent(TreeModelNode* node) = 0; - - // Sets the observer of the model. - virtual void SetObserver(TreeModelObserver* observer) = 0; - - // Sets the title of the specified node. - // This is only invoked if the node is editable and the user edits a node. - virtual void SetTitle(TreeModelNode* node, - const std::wstring& title) { - NOTREACHED(); - } - - // Returns the set of icons for the nodes in the tree. You only need override - // this if you don't want to use the default folder icons. - virtual void GetIcons(std::vector<SkBitmap>* icons) {} - - // Returns the index of the icon to use for |node|. Return -1 to use the - // default icon. The index is relative to the list of icons returned from - // GetIcons. - virtual int GetIconIndex(TreeModelNode* node) { return -1; } -}; - -} // namespace views - -#endif // VIEWS_CONTROLS_TREE_TREE_MODEL_H_ |