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rblazek
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data browser
git-svn-id: http://svn.osgeo.org/qgis/trunk@4915 c8812cc2-4d05-0410-92ff-de0c093fc19c
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‎src/plugins/grass/Makefile.am

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@@ -35,8 +35,10 @@ plugin_LTLIBRARIES = grassplugin.la
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plugin_MOC = qgsgrassplugin.moc.cpp \
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qgsgrassselect.moc.cpp \
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qgsgrassbrowser.moc.cpp \
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qgsgrassedit.moc.cpp \
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qgsgrasstools.moc.cpp \
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qgsgrassmodel.moc.cpp \
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qgsgrassmapcalc.moc.cpp \
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qgsgrassmodule.moc.cpp \
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qgsgrassnewmapset.moc.cpp \
@@ -68,10 +70,14 @@ grassplugin_la_SOURCES = qgsgrassplugin.cpp \
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qgsgrassplugin.h \
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qgsgrassselect.cpp \
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qgsgrassselect.h \
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qgsgrassbrowser.cpp \
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qgsgrassbrowser.h \
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qgsgrassedit.cpp \
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qgsgrassedit.h \
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qgsgrasstools.cpp \
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qgsgrasstools.h \
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qgsgrassmodel.cpp \
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qgsgrassmodel.h \
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qgsgrassmapcalc.cpp \
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qgsgrassmapcalc.h \
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qgsgrassmodule.cpp \

‎src/plugins/grass/qgsgrassbrowser.cpp

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/*******************************************************************
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qgsgrassbrowser.cpp
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-------------------
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begin : February, 2006
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copyright : (C) 2006 by Radim Blazek
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email : radim.blazek@gmail.com
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********************************************************************/
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/********************************************************************
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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*******************************************************************/
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#include <iostream>
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#include <vector>
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#include <QApplication>
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#include <QStyle>
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#include <qdir.h>
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#include <qfile.h>
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#include <qsettings.h>
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#include <qstringlist.h>
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#include <qmessagebox.h>
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#include <qpainter.h>
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#include <qpixmap.h>
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#include <qnamespace.h>
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#include <qevent.h>
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#include <qsize.h>
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#include <qicon.h>
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#include <QTreeView>
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#include <QHeaderView>
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#include <QMainWindow>
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#include <QActionGroup>
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#include <QToolBar>
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#include <QAction>
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#include <QTextBrowser>
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#include <QSplitter>
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#include "qgis.h"
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#include "qgsapplication.h"
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extern "C" {
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#include <grass/gis.h>
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#include <grass/Vect.h>
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}
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#include "../../src/providers/grass/qgsgrass.h"
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#include "qgsgrassmodel.h"
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#include "qgsgrassbrowser.h"
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QgsGrassBrowser::QgsGrassBrowser ( QgisIface *iface,
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QWidget * parent, Qt::WFlags f )
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:mIface(iface), QMainWindow(parent, Qt::WType_Dialog)
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{
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#ifdef QGISDEBUG
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std::cerr << "QgsGrassBrowser()" << std::endl;
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#endif
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QActionGroup *ag = new QActionGroup ( this );
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QToolBar *tb = addToolBar(tr("Tools"));
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QString myIconPath = QgsApplication::themePath() + "/grass/";
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mActionAddMap = new QAction(
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QIcon(myIconPath+"grass_add_map.png"),
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tr("Add selected map to canvas"), this);
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mActionAddMap->setEnabled(false);
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ag->addAction ( mActionAddMap );
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tb->addAction ( mActionAddMap );
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connect ( mActionAddMap, SIGNAL(triggered()), this, SLOT(addMap()) );
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mActionRefresh = new QAction(
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QIcon(myIconPath+"grass_refresh.png"),
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tr("Refresh"), this);
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ag->addAction ( mActionRefresh );
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tb->addAction ( mActionRefresh );
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connect ( mActionRefresh, SIGNAL(triggered()), this, SLOT(refresh()) );
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// Add model
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mModel = new QgsGrassModel ( this );
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mTree = new QTreeView(0);
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mTree->header()->hide();
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mTree->setModel(mModel);
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mTextBrowser = new QTextBrowser(0);
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mTextBrowser->setTextFormat(Qt::RichText);
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mTextBrowser->setReadOnly(TRUE);
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mSplitter = new QSplitter(0);
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mSplitter->addWidget(mTree);
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mSplitter->addWidget(mTextBrowser);
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this->setCentralWidget(mSplitter);
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connect ( mTree->selectionModel(),
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SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
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this, SLOT(selectionChanged(QItemSelection,QItemSelection)) );
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connect ( mTree->selectionModel(),
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SIGNAL(currentChanged(QModelIndex,QModelIndex)),
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this, SLOT(currentChanged(QModelIndex,QModelIndex)) );
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}
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QgsGrassBrowser::~QgsGrassBrowser() { }
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void QgsGrassBrowser::refresh()
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{
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#ifdef QGISDEBUG
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std::cerr << "QgsGrassBrowser::refresh()" << std::endl;
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#endif
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mModel->refresh();
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mTree->update();
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}
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void QgsGrassBrowser::addMap()
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{
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#ifdef QGISDEBUG
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std::cerr << "QgsGrassBrowser::addMap()" << std::endl;
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#endif
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QModelIndexList indexes = mTree->selectionModel()->selectedIndexes();
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bool mapSelected = false;
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QList<QModelIndex>::const_iterator it = indexes.begin();
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for (; it != indexes.end(); ++it)
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{
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int type = mModel->itemType(*it);
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QString uri = mModel->uri(*it);
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if ( type == QgsGrassModel::Raster )
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{
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std::cerr << "add raster: " << uri.ascii() << std::endl;
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mIface->addRasterLayer( uri );
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mapSelected = true;
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}
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else if ( type == QgsGrassModel::VectorLayer )
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{
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// TODO: common method for vector names
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QStringList split = QStringList::split ( '/', uri );
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QString layer = split.last();
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split.pop_back(); // map
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QString vector = split.last();
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mIface->addVectorLayer( uri, layer, "grass");
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std::cerr << "add vector: " << uri.ascii() << std::endl;
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mapSelected = true;
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}
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}
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}
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void QgsGrassBrowser::selectionChanged(const QItemSelection & selected, const QItemSelection & deselected)
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{
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#ifdef QGISDEBUG
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std::cerr << "QgsGrassBrowser::selectionChanged()" << std::endl;
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#endif
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mActionAddMap->setEnabled(false);
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QModelIndexList indexes = mTree->selectionModel()->selectedIndexes();
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mTextBrowser->clear();
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QList<QModelIndex>::const_iterator it = indexes.begin();
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for (; it != indexes.end(); ++it)
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{
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mTextBrowser->append ( mModel->itemInfo(*it) );
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int type = mModel->itemType(*it);
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if ( type == QgsGrassModel::Raster || type == QgsGrassModel::VectorLayer )
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{
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mActionAddMap->setEnabled(true);
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}
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}
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}
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void QgsGrassBrowser::currentChanged(const QModelIndex & current, const QModelIndex & previous)
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{
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#ifdef QGISDEBUG
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std::cerr << "QgsGrassBrowser::currentChanged()" << std::endl;
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#endif
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}
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‎src/plugins/grass/qgsgrassbrowser.h

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/***************************************************************************
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qgsgrasstree.h
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-------------------
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begin : February, 2006
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copyright : (C) 2006 by Radim Blazek
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email : radim.blazek@gmail.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSGRASSBROWSER_H
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#define QGSGRASSBROWSER_H
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#include <QMainWindow>
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class QSplitter;
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class QAction;
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class QTreeView;
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class QTextBrowser;
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class QDirModel;
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#include "qgisiface.h"
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#include "qgsgrassmodel.h"
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/*! \class QgsGrassBrowser
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* \brief Model representing GRASS location structure.
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*/
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class QgsGrassBrowser: public QMainWindow
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{
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Q_OBJECT;
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public:
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//! Constructor
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QgsGrassBrowser ( QgisIface *iface, QWidget * parent = 0, Qt::WFlags f = 0 );
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//! Destructor
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~QgsGrassBrowser();
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public slots:
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// Add selected map to canvas
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void addMap();
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// Refresh model
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void refresh();
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// Called when tree selection changes
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void selectionChanged(const QItemSelection & selected, const QItemSelection & deselected);
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void currentChanged(const QModelIndex & current, const QModelIndex & previous);
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private:
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QgisIface *mIface;
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//! Current GISBASE
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QString mGisbase;
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//! Current LOCATION_NAME
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QString mLocation;
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// ! Data model
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QgsGrassModel *mModel;
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QSplitter *mSplitter;
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QTreeView *mTree;
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QTextBrowser *mTextBrowser;
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//! Actions
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QAction *mActionAddMap;
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QAction *mActionRefresh;
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};
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#endif // QGSGRASSBROWSER_H

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