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00030 #include <QGroupBox>
00031 #include <QTreeWidget>
00032 #include <QLabel>
00033 #include <QLineEdit>
00034 #include <QTextBrowser>
00035 #include <QVBoxLayout>
00036 #include <QDialogButtonBox>
00037 #include <QPushButton>
00038
00039 #include "new_object_dialog.h"
00040
00041 namespace rviz
00042 {
00043
00044 NewObjectDialog::NewObjectDialog( pluginlib::ClassLoaderBase* class_loader,
00045 const std::string& object_type,
00046 const S_string& current_display_names,
00047 std::string* lookup_name_output,
00048 std::string* display_name_output,
00049 QWidget* parent )
00050 : QDialog( parent )
00051 , class_loader_( class_loader )
00052 , current_display_names_( current_display_names )
00053 , lookup_name_output_( lookup_name_output )
00054 , display_name_output_( display_name_output )
00055 {
00056
00057
00058
00059 QGroupBox* type_box = new QGroupBox( QString::fromStdString( object_type + " Type" ));
00060
00061 QTreeWidget* tree = new QTreeWidget;
00062 tree->setHeaderHidden( true );
00063 fillTree( tree );
00064
00065 QLabel* description_label = new QLabel( "Description:" );
00066 description_ = new QTextBrowser;
00067 description_->setMaximumHeight( 100 );
00068 description_->setOpenExternalLinks( true );
00069
00070 QVBoxLayout* type_layout = new QVBoxLayout;
00071 type_layout->addWidget( tree );
00072 type_layout->addWidget( description_label );
00073 type_layout->addWidget( description_ );
00074
00075 type_box->setLayout( type_layout );
00076
00077
00078 QGroupBox* name_box = new QGroupBox( QString::fromStdString( object_type + " Name" ));
00079
00080 name_editor_ = new QLineEdit;
00081 QVBoxLayout* name_layout = new QVBoxLayout;
00082 name_layout->addWidget( name_editor_ );
00083 name_box->setLayout( name_layout );
00084
00085
00086 button_box_ = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
00087 Qt::Horizontal );
00088
00089 QVBoxLayout* main_layout = new QVBoxLayout;
00090 main_layout->addWidget( type_box );
00091 main_layout->addWidget( name_box );
00092 main_layout->addWidget( button_box_ );
00093 setLayout( main_layout );
00094
00095
00096 connect( tree, SIGNAL( currentItemChanged( QTreeWidgetItem*, QTreeWidgetItem* )),
00097 this, SLOT( onDisplaySelected( QTreeWidgetItem* )));
00098 connect( tree, SIGNAL( itemActivated( QTreeWidgetItem*, int )),
00099 this, SLOT( accept() ));
00100 connect( button_box_, SIGNAL( accepted() ), this, SLOT( accept() ));
00101 connect( button_box_, SIGNAL( rejected() ), this, SLOT( reject() ));
00102 connect( name_editor_, SIGNAL( textEdited( const QString& )),
00103 this, SLOT( onNameChanged() ));
00104 }
00105
00106 void NewObjectDialog::fillTree( QTreeWidget* tree )
00107 {
00108 std::vector<std::string> classes = class_loader_->getDeclaredClasses();
00109
00110
00111 std::map<std::string, QTreeWidgetItem*> package_items;
00112
00113 std::vector<std::string>::const_iterator ci;
00114 for( ci = classes.begin(); ci != classes.end(); ci++ )
00115 {
00116 std::string lookup_name = (*ci);
00117 std::string package = class_loader_->getClassPackage( lookup_name );
00118 std::string description = class_loader_->getClassDescription( lookup_name );
00119 std::string name = class_loader_->getName( lookup_name );
00120
00121 QTreeWidgetItem* package_item;
00122
00123 std::map<std::string, QTreeWidgetItem*>::iterator mi;
00124 mi = package_items.find( package );
00125 if( mi == package_items.end() )
00126 {
00127 package_item = new QTreeWidgetItem( tree );
00128 package_item->setText( 0, QString::fromStdString( package ));
00129 package_item->setExpanded( true );
00130 package_items[ package ] = package_item;
00131 }
00132 else
00133 {
00134 package_item = (*mi).second;
00135 }
00136 QTreeWidgetItem* class_item = new QTreeWidgetItem( package_item );
00137 class_item->setText( 0, QString::fromStdString( name ));
00138 class_item->setWhatsThis( 0, QString::fromStdString( description ));
00139
00140 class_item->setData( 0, Qt::UserRole, QString::fromStdString( lookup_name ));
00141 }
00142 }
00143
00144 void NewObjectDialog::onDisplaySelected( QTreeWidgetItem* selected_item )
00145 {
00146 QString html = "<html><body>" + selected_item->whatsThis( 0 ) + "</body></html>";
00147 description_->setHtml( html );
00148
00149
00150 QVariant user_data = selected_item->data( 0, Qt::UserRole );
00151 bool selection_is_valid = user_data.isValid();
00152 if( selection_is_valid )
00153 {
00154 lookup_name_ = user_data.toString().toStdString();
00155 std::string display_name = selected_item->text( 0 ).toStdString();
00156
00157 int counter = 1;
00158 std::string name;
00159 do
00160 {
00161 std::stringstream ss;
00162 ss << display_name;
00163
00164 if( counter > 1 )
00165 {
00166 ss << counter;
00167 }
00168
00169 ++counter;
00170
00171 name = ss.str();
00172 } while( current_display_names_.find( name ) != current_display_names_.end() );
00173
00174 name_editor_->setText( QString::fromStdString( name ));
00175 }
00176 else
00177 {
00178 lookup_name_ = "";
00179 name_editor_->setText( "" );
00180 }
00181 button_box_->button( QDialogButtonBox::Ok )->setEnabled( isValid() );
00182 }
00183
00184 bool NewObjectDialog::isValid()
00185 {
00186 std::string display_name = name_editor_->text().toStdString();
00187 if( lookup_name_.size() == 0 )
00188 {
00189 setError( "Select a Display type." );
00190 return false;
00191 }
00192 if( display_name.size() == 0 )
00193 {
00194 setError( "Enter a name for the display." );
00195 return false;
00196 }
00197 if( current_display_names_.find( display_name ) != current_display_names_.end() )
00198 {
00199 setError( "Name in use. Display names must be unique." );
00200 return false;
00201 }
00202 setError( "" );
00203 return true;
00204 }
00205
00206 void NewObjectDialog::setError( const QString& error_text )
00207 {
00208 button_box_->button( QDialogButtonBox::Ok )->setToolTip( error_text );
00209 }
00210
00211 void NewObjectDialog::onNameChanged()
00212 {
00213 button_box_->button( QDialogButtonBox::Ok )->setEnabled( isValid() );
00214 }
00215
00216 void NewObjectDialog::accept()
00217 {
00218 if( isValid() )
00219 {
00220 *lookup_name_output_ = lookup_name_;
00221 *display_name_output_ = name_editor_->text().toStdString();
00222 QDialog::accept();
00223 }
00224 }
00225
00226 }
00227