minor update -- point layers displayed (no repaint)

git-svn-id: http://svn.osgeo.org/qgis/trunk@20 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/qgisapp.cpp

@@ -33,6 +33,7 @@
 #include <iomanip>
 #include "qgsmapcanvas.h"
 #include "qgsdbsourceselect.h"
+#include "qgsdatabaselayer.h"
 #include "qgisapp.h"
 #include "qgisicons.h"
 
@@ -74,11 +75,15 @@ void QgisApp::addLayer(){
     QString connInfo = dbs->connInfo();
     // for each selected table, connect to the datbase, parse the WKT geometry,
     // and build a cavnasitem for it
-    readWKB(connInfo);
+    // readWKB(connInfo,tables);
     QStringList::Iterator it = tables.begin();
     while( it != tables.end() ) {
-    
-    
+      
+      // create the layer
+      QgsDatabaseLayer *lyr = new QgsDatabaseLayer(connInfo, *it);
+      // add it to the mapcanvas collection
+      mapCanvas->addLayer(lyr);
+  
       ++it;
     }
     
@@ -114,7 +119,7 @@ void QgisApp::zoomOut()
   
 
 }
-void QgisApp::readWKB(const char *connInfo){
+void QgisApp::readWKB(const char *connInfo, QStringList tables){
   PgCursor pgc(connInfo, "testcursor");
   // get "endianness"
   char *chkEndian = new char[4];
@@ -127,8 +132,11 @@ void QgisApp::readWKB(const char *connInfo){
 	 else
 	 cout << "Little endian" << endl;
   */
+   QStringList::Iterator it = tables.begin();
+  while( it != tables.end() ) {
+  
   // get the extent of the layer
-  QString esql = "select extent(the_geom) from towns";
+  QString esql = "select extent(the_geom) from " + *it;
   PgDatabase *pd = new PgDatabase(connInfo);
   int result = pd->ExecTuplesOk((const char *)esql);
   QString extent = pd->GetValue(0,0);
@@ -163,7 +171,8 @@ void QgisApp::readWKB(const char *connInfo){
     sql += "'NDR'";
   else
     sql += "'XDR'";
-  sql += ") as features from towns";
+  sql += ") as features from ";
+  sql += *it++;
   cout << sql.c_str() << endl;
   pgc.Declare(sql.c_str(), true);
   int res = pgc.Fetch();
@@ -188,11 +197,7 @@ void QgisApp::readWKB(const char *connInfo){
     char *feature = new char[pgc.GetLength(idx,0) +1]; 
     memset(feature,'\0',pgc.GetLength(idx,0) +1);
     memcpy(feature,pgc.GetValue(idx,0),pgc.GetLength(idx,0) );
-    char endian;
-    endian = *feature;
-    int *geotype;
-    geotype =(int *) (feature + 1);
-   
+  
 
     cout << "Endian is: " << (int)feature[0] << endl;
     cout << "Geometry type is: " << (int)feature[1] << endl;
@@ -207,6 +212,7 @@ void QgisApp::readWKB(const char *connInfo){
     delete[] feature;
   }
   paint.end();
+  }
 }
 
 

src/qgisapp.h

@@ -20,6 +20,7 @@
 class QCanvas;
 class QRect;
 class QCanvasView;
+class QStringList;
 #include "qgisappbase.h"
 /**
   *@author Gary E.Sherman
@@ -36,7 +37,7 @@ public:
 	void fileExit();
  	void zoomOut();
   	void zoomIn();
-	void readWKB(const char *);
+	void readWKB(const char *, QStringList tables);
 	void drawPoint(double x, double y);
 private:
 	//QCanvasView *cv;

src/qgsdatabaselayer.cpp

@@ -1,7 +1,9 @@
+#include <qstring.h>
 #include "qgsdatabaselayer.h"
 
-QgsDatabaseLayer::QgsDatabaseLayer(){
-  dataSource = "foo";
+QgsDatabaseLayer::QgsDatabaseLayer(const char *conninfo, QString table) :
+ QgsMapLayer(QgsMapLayer::DATABASE, table), tableName(table){
+  dataSource = conninfo;
 }
 QgsDatabaseLayer::~QgsDatabaseLayer(){
 }

src/qgsdatabaselayer.h

@@ -17,7 +17,7 @@
 
 #ifndef QGSDATABASELAYER_H
 #define QGSDATABASELAYER_H
-
+class QString;
 #include "qgsmaplayer.h"
 
 /**
@@ -26,7 +26,7 @@
 
 class QgsDatabaseLayer : public QgsMapLayer  {
 public: 
-	QgsDatabaseLayer();
+	QgsDatabaseLayer(const char *conninfo=0, QString table=QString::null);
 	~QgsDatabaseLayer();
  private:
 	

src/qgsdbsourceselect.cpp

@@ -76,6 +76,7 @@ void QgsDbSourceSelect::dbConnect(){
     // get the list of tables
     QString sql =  "select * from geometry_columns where f_table_schema ='"
       + settings.readEntry(key+"/database") + "'";
+    sql += " order by f_table_name";
     qDebug("Fetching tables using: " + sql);
     int result = pd->ExecTuplesOk((const char *)sql);
     if(result){

src/qgsmapcanvas.cpp

@@ -22,3 +22,6 @@ QgsMapCanvas::QgsMapCanvas(QWidget *parent, const char *name ) : QWidget(parent,
 }
 QgsMapCanvas::~QgsMapCanvas(){
 }
+void QgsMapCanvas::addLayer(QgsMapLayer *lyr){
+  layers[lyr->name()] = *lyr;
+}

src/qgsmapcanvas.h

@@ -31,6 +31,7 @@ class QgsMapCanvas : public QWidget  {
 public: 
 	QgsMapCanvas(QWidget *parent=0, const char *name=0);
 	~QgsMapCanvas();
+	void addLayer(QgsMapLayer *lyr);
 private:
 //! map containing the layers by name
 	map<QString,QgsMapLayer> layers;

src/qgsmaplayer.cpp

@@ -17,11 +17,13 @@
 
 #include "qgsmaplayer.h"
 
-QgsMapLayer::QgsMapLayer( ) : QgsDataSource() {
+QgsMapLayer::QgsMapLayer(int type, QString lyrname ) 
+  : QgsDataSource(), layerType(type), layerName(lyrname)
+{
 }
 QgsMapLayer::~QgsMapLayer(){
 } 
-const int QgsMapLayer::getlayerType(){
+const int QgsMapLayer::type(){
   return layerType;
 }
 /** Write property of QString layerName. */
@@ -29,7 +31,7 @@ void QgsMapLayer::setlayerName( const QString& _newVal){
   layerName = _newVal;
 }
 /** Read property of QString layerName. */
-const QString QgsMapLayer::getlayerName(){
+const QString QgsMapLayer::name(){
   return layerName;
 }
 

src/qgsmaplayer.h

@@ -27,20 +27,21 @@
 class QgsMapLayer : public QgsDataSource  {
 
 	public: 
-    QgsMapLayer();
+    QgsMapLayer(int type=0, QString lyrname=QString::null );
     virtual ~QgsMapLayer();
   /** Read property of int layerType. */
-  const int getlayerType();
+  const int type();
   /** Write property of QString layerName. */
   void setlayerName( const QString& _newVal);
   /** Read property of QString layerName. */
-  const QString getlayerName();
+  const QString name();
 
 
 public: // Public attributes
 enum LAYERS {
 	VECTOR,
-	RASTER
+	RASTER,
+DATABASE
 }  ;
 
 private: // Private attributes