libyui  3.0.10
/usr/src/RPM/BUILD/libyui-3.0.10/src/YTree.cc
00001 /*
00002   Copyright (C) 2000-2012 Novell, Inc
00003   This library is free software; you can redistribute it and/or modify
00004   it under the terms of the GNU Lesser General Public License as
00005   published by the Free Software Foundation; either version 2.1 of the
00006   License, or (at your option) version 3.0 of the License. This library
00007   is distributed in the hope that it will be useful, but WITHOUT ANY
00008   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
00009   FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
00010   License for more details. You should have received a copy of the GNU
00011   Lesser General Public License along with this library; if not, write
00012   to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
00013   Floor, Boston, MA 02110-1301 USA
00014 */
00015 
00016 
00017 /*-/
00018 
00019   File:         YTree.cc
00020 
00021   Author:       Stefan Hundhammer <sh@suse.de>
00022 
00023 /-*/
00024 
00025 
00026 #define YUILogComponent "ui"
00027 #include "YUILog.h"
00028 
00029 #include "YUISymbols.h"
00030 #include "YSelectionWidget.h"
00031 #include "YTree.h"
00032 #include "YTreeItem.h"
00033 
00034 struct YTreePrivate
00035 {
00036     YTreePrivate()
00037         : immediateMode( false )
00038         {}
00039 
00040     bool immediateMode;
00041 };
00042 
00043 
00044 YTree::YTree( YWidget * parent, const std::string & label, bool multiSelection, bool recursiveSelection )
00045     : YSelectionWidget( parent, label,
00046                         ! multiSelection,
00047                         recursiveSelection )
00048     , priv( new YTreePrivate() )
00049 {
00050     YUI_CHECK_NEW( priv );
00051 
00052     setDefaultStretchable( YD_HORIZ, true );
00053     setDefaultStretchable( YD_VERT,  true );
00054 }
00055 
00056 
00057 YTree::~YTree()
00058 {
00059     // NOP
00060 }
00061 
00062 
00063 bool
00064 YTree::immediateMode() const
00065 {
00066     return priv->immediateMode;
00067 }
00068 
00069 
00070 void
00071 YTree::setImmediateMode( bool immediateMode )
00072 {
00073     priv->immediateMode = immediateMode;
00074 
00075     if ( immediateMode )
00076         setNotify( true );
00077 }
00078 
00079 
00080 void
00081 YTree::addItems( const YItemCollection & itemCollection )
00082 {
00083     YSelectionWidget::addItems( itemCollection );
00084     rebuildTree();
00085 }
00086 
00087 
00088 const YPropertySet &
00089 YTree::propertySet()
00090 {
00091     static YPropertySet propSet;
00092 
00093     if ( propSet.isEmpty() )
00094     {
00095         /*
00096          * @property itemID             Value           The currently selected item
00097          * @property itemID             CurrentItem     The currently selected item
00098          * @property list<itemID>       CurrentBranch   List of IDs of current branch from root to current item
00099          * @property itemList           Items           All items
00100          * @property map<ItemID>        OpenItems       Map of IDs of all open items - can only be queried, not set
00101          * @property std::string        Label           Caption above the tree
00102          * @property std::string        IconPath        Base path for icons
00103          * @property bool               MultiSelection  Flag: User can select multiple items (read-only)
00104          */
00105         propSet.add( YProperty( YUIProperty_Value,              YOtherProperty   ) );
00106         propSet.add( YProperty( YUIProperty_CurrentItem,        YOtherProperty   ) );
00107         propSet.add( YProperty( YUIProperty_CurrentBranch,      YOtherProperty   ) );
00108         propSet.add( YProperty( YUIProperty_Items,              YOtherProperty   ) );
00109         propSet.add( YProperty( YUIProperty_OpenItems,          YOtherProperty   ) );
00110         propSet.add( YProperty( YUIProperty_Label,              YStringProperty  ) );
00111         propSet.add( YProperty( YUIProperty_IconPath,           YStringProperty  ) );
00112         propSet.add( YProperty( YUIProperty_SelectedItems,      YOtherProperty   ) );
00113         propSet.add( YProperty( YUIProperty_MultiSelection,     YBoolProperty,   true ) ); // read-only
00114         propSet.add( YWidget::propertySet() );
00115 
00116     }
00117 
00118     return propSet;
00119 }
00120 
00121 
00122 bool
00123 YTree::setProperty( const std::string & propertyName, const YPropertyValue & val )
00124 {
00125     propertySet().check( propertyName, val.type() ); // throws exceptions if not found or type mismatch
00126 
00127     if      ( propertyName == YUIProperty_Value         )       return false; // Needs special handling
00128     else if ( propertyName == YUIProperty_CurrentItem   )       return false; // Needs special handling
00129     else if ( propertyName == YUIProperty_CurrentBranch )       return false; // Needs special handling
00130     else if ( propertyName == YUIProperty_Items         )       return false; // Needs special handling
00131     else if ( propertyName == YUIProperty_OpenItems     )       return false; // Needs special handling
00132     else if ( propertyName == YUIProperty_SelectedItems )       return false; // Needs special handling
00133     else if ( propertyName == YUIProperty_Label         )       setLabel( val.stringVal() );
00134     else if ( propertyName == YUIProperty_IconPath      )       setIconBasePath( val.stringVal() );
00135 
00136     else
00137     {
00138         return YWidget::setProperty( propertyName, val );
00139     }
00140 
00141     return true; // success -- no special processing necessary
00142 }
00143 
00144 
00145 YPropertyValue
00146 YTree::getProperty( const std::string & propertyName )
00147 {
00148     propertySet().check( propertyName ); // throws exceptions if not found
00149 
00150     if      ( propertyName == YUIProperty_Value         )       return YPropertyValue( YOtherProperty );
00151     else if ( propertyName == YUIProperty_CurrentItem   )       return YPropertyValue( YOtherProperty );
00152     else if ( propertyName == YUIProperty_CurrentBranch )       return YPropertyValue( YOtherProperty );
00153     else if ( propertyName == YUIProperty_Items         )       return YPropertyValue( YOtherProperty );
00154     else if ( propertyName == YUIProperty_OpenItems     )       return YPropertyValue( YOtherProperty );
00155     else if ( propertyName == YUIProperty_Label         )       return YPropertyValue( label() );
00156     else if ( propertyName == YUIProperty_IconPath      )       return YPropertyValue( iconBasePath() );
00157     else if ( propertyName == YUIProperty_SelectedItems )       return YPropertyValue( YOtherProperty );
00158     else
00159     {
00160         return YWidget::getProperty( propertyName );
00161     }
00162 }
00163 
00164 bool
00165 YTree::hasMultiSelection() const
00166 {
00167     return ! YSelectionWidget::enforceSingleSelection();
00168 }
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