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Side by Side Diff: chrome/views/tree_model.h

Issue 28175: Adds ability for tree model to reorder its children. I'm going to use... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 11 years, 10 months ago
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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_VIEWS_TREE_MODEL_H_ 5 #ifndef CHROME_VIEWS_TREE_MODEL_H_
6 #define CHROME_VIEWS_TREE_MODEL_H_ 6 #define CHROME_VIEWS_TREE_MODEL_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/logging.h" 10 #include "base/logging.h"
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32 TreeModelNode* parent, 32 TreeModelNode* parent,
33 int start, 33 int start,
34 int count) = 0; 34 int count) = 0;
35 35
36 // Notification that nodes were removed from the specified parent. 36 // Notification that nodes were removed from the specified parent.
37 virtual void TreeNodesRemoved(TreeModel* model, 37 virtual void TreeNodesRemoved(TreeModel* model,
38 TreeModelNode* parent, 38 TreeModelNode* parent,
39 int start, 39 int start,
40 int count) = 0; 40 int count) = 0;
41 41
42 // Notification the children of |parent| have been reordered. Note, only
43 // the direct children of |parent| have been reordered, not descendants.
44 // TODO(sky): make this pure virtual after all sites have been updated.
45 virtual void TreeNodeChildrenReordered(TreeModel* model,
46 TreeModelNode* parent) {}
47
42 // Notification that the contents of a node has changed. 48 // Notification that the contents of a node has changed.
43 virtual void TreeNodeChanged(TreeModel* model, TreeModelNode* node) = 0; 49 virtual void TreeNodeChanged(TreeModel* model, TreeModelNode* node) = 0;
44 }; 50 };
45 51
46 // TreeModel ------------------------------------------------------------------ 52 // TreeModel ------------------------------------------------------------------
47 53
48 // The model for TreeView. 54 // The model for TreeView.
49 class TreeModel { 55 class TreeModel {
50 public: 56 public:
51 // Returns the root of the tree. This may or may not be shown in the tree, 57 // Returns the root of the tree. This may or may not be shown in the tree,
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77 83
78 // Returns the index of the icon to use for |node|. Return -1 to use the 84 // Returns the index of the icon to use for |node|. Return -1 to use the
79 // default icon. The index is relative to the list of icons returned from 85 // default icon. The index is relative to the list of icons returned from
80 // GetIcons. 86 // GetIcons.
81 virtual int GetIconIndex(TreeModelNode* node) { return -1; } 87 virtual int GetIconIndex(TreeModelNode* node) { return -1; }
82 }; 88 };
83 89
84 } // namespace views 90 } // namespace views
85 91
86 #endif // CHROME_VIEWS_TREE_MODEL_H_ 92 #endif // CHROME_VIEWS_TREE_MODEL_H_
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