1/************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23#ifndef __com_sun_star_awt_tree_XTreeDataModelListener_idl__ 24#define __com_sun_star_awt_tree_XTreeDataModelListener_idl__ 25 26#ifndef __com_sun_star_lang_XEventListener_idl__ 27#include <com/sun/star/lang/XEventListener.idl> 28#endif 29 30#ifndef __com_sun_star_awt_tree_TreeDataModelEvent_idl__ 31#include <com/sun/star/awt/tree/TreeDataModelEvent.idl> 32#endif 33 34 35//============================================================================= 36 37module com { module sun { module star { module awt { module tree { 38 39//============================================================================= 40 41/** An instance of this interface is used by the <type>TreeControl</type> to 42 get notifications about data model changes. 43 44 <p>Usually you must not implement this interface yourself as it is already handled 45 by the <type>TreeControl</type>, but you must notify it correctly if 46 you implement the <type>XTreeDataModel</type> yourself</p>. 47 */ 48published interface XTreeDataModelListener: com::sun::star::lang::XEventListener 49{ 50 /** Invoked after a node (or a set of siblings) has changed in some way. 51 The node(s) have not changed locations in the tree or altered their 52 children arrays, but other attributes have changed and may affect 53 presentation. 54 55 Example: the name of a file has changed, but it is in the same location in the file system. 56 57 To indicate the root has changed, <member>TreeDataModelEvent::Nodes</member> will contain 58 the root node and <member>TreeDataModelEvent::ParentNode</member> will be empty. 59 */ 60 void treeNodesChanged( [in] TreeDataModelEvent Event ); 61 62 /** Invoked after nodes have been inserted into the tree. 63 64 Use <member>TreeDataModelEvent::ParentNode</member> to get the parent of the new node(s). 65 <member>TreeDataModelEvent::Nodes</member> contains the new node(s). 66 */ 67 void treeNodesInserted( [in] TreeDataModelEvent Event ); 68 69 /** Invoked after nodes have been removed from the tree. 70 <p>Note that if a subtree is removed from the tree, 71 this method may only be invoked once for the root of the removed subtree, 72 not once for each individual set of siblings removed. 73 74 Use <member>TreeDataModelEvent::ParentNode</member> to get the former parent of the deleted node(s). 75 <member>TreeDataModelEvent::Nodes</member> contains the removed node(s). 76 */ 77 void treeNodesRemoved( [in] TreeDataModelEvent Event ); 78 79 /** Invoked after the tree has drastically changed structure from a given node down. 80 81 Use <member>TreeDataModelEvent::ParentNode</member> to get the node which 82 structure has changed. <member>TreeDataModelEvent::Nodes</member> is empty. 83 */ 84 void treeStructureChanged( [in] TreeDataModelEvent Event ); 85}; 86 87//============================================================================= 88 89}; }; }; }; }; 90 91#endif 92