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00001 /* 00002 * Copyright (c) 2011, Willow Garage, Inc. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of the Willow Garage, Inc. nor the names of its 00014 * contributors may be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 * POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #include <float.h> 00031 00032 #include "rviz/properties/property_widget_item.h" 00033 #include "rviz/properties/property_tree_widget.h" 00034 #include "rviz/properties/property.h" 00035 #include "rviz/properties/topic_info_variant.h" 00036 00037 namespace rviz 00038 { 00039 00040 PropertyWidgetItem::PropertyWidgetItem( PropertyBase* property, 00041 const std::string& label, 00042 bool editable, 00043 bool needs_check_box, 00044 bool first_column_spans ) 00045 : max_( FLT_MAX ) 00046 , min_( -FLT_MAX ) 00047 , property_( property ) 00048 , first_column_spans_( first_column_spans ) 00049 { 00050 Qt::ItemFlags flags = Qt::ItemIsSelectable | Qt::ItemIsEnabled; 00051 00052 if( needs_check_box && editable ) 00053 { 00054 flags |= Qt::ItemIsUserCheckable; 00055 } 00056 00057 // "ItemIsEditable" for a checkbox means ability to edit a text 00058 // label adjacent to it. Not what we want. 00059 if( !needs_check_box && editable ) 00060 { 00061 flags |= Qt::ItemIsEditable; 00062 } 00063 00064 setFlags( flags ); 00065 00066 setLeftText( label ); // Set the label in the left column. 00067 00068 // Setting flags, name, etc (above) must come before adding this as 00069 // a child of parent with addToParent(). Otherwise those 00070 // flag-settings etc trigger the itemChanged() signal and the empty 00071 // data from this item gets written to the Property. 00072 } 00073 00074 void PropertyWidgetItem::addToParent( PropertyWidgetItem* parent_item ) 00075 { 00076 if( parent_item ) 00077 { 00078 parent_item->addChild( this ); 00079 } 00080 else 00081 { 00082 CategoryPropertyPtr parent = property_->getParent().lock(); 00083 if( parent ) 00084 { 00085 parent->getWidgetItem()->addChild( this ); 00086 } 00087 else 00088 { 00089 property_->getPropertyTreeWidget()->addTopLevelItem( this ); 00090 } 00091 } 00092 00093 // Column-spanning must be done after adding this item to a parent. 00094 // It does not seem to trigger itemChanged(). 00095 setFirstColumnSpanned( first_column_spans_ ); 00096 } 00097 00098 void PropertyWidgetItem::setLeftText( const std::string& text ) 00099 { 00100 bool ign = property_->getPropertyTreeWidget()->setIgnoreChanges( true ); 00101 00102 setText( 0, QString::fromStdString( text )); 00103 00104 property_->getPropertyTreeWidget()->setIgnoreChanges( ign ); 00105 } 00106 00107 void PropertyWidgetItem::setRightText( const QString& text ) 00108 { 00109 bool ign = property_->getPropertyTreeWidget()->setIgnoreChanges( true ); 00110 00111 setText( 1, text ); 00112 00113 property_->getPropertyTreeWidget()->setIgnoreChanges( ign ); 00114 } 00115 00116 void PropertyWidgetItem::setRightText( const std::string& text ) 00117 { 00118 setRightText( QString::fromStdString( text )); 00119 } 00120 00121 void PropertyWidgetItem::setUserData( QVariant _data ) 00122 { 00123 bool ign = property_->getPropertyTreeWidget()->setIgnoreChanges( true ); 00124 00125 setData( 1, Qt::UserRole, _data ); 00126 00127 if( _data.canConvert<ros::master::TopicInfo>() ) 00128 { 00129 ros::master::TopicInfo topic = _data.value<ros::master::TopicInfo>(); 00130 setText( 1, QString::fromStdString( topic.name )); 00131 } 00132 else 00133 { 00134 setText( 1, _data.toString() ); 00135 } 00136 00137 property_->getPropertyTreeWidget()->setIgnoreChanges( ign ); 00138 } 00139 00140 QVariant PropertyWidgetItem::userData() const 00141 { 00142 return data( 1, Qt::UserRole ); 00143 } 00144 00145 } // end namespace rviz 00146