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git-svn-id: http://svn.osgeo.org/qgis/trunk@176 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
gsherman 2003-01-25 04:37:10 +00:00
parent 085fd4ed73
commit fd1595bae6
3 changed files with 114 additions and 4 deletions
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11
qgis/src/qgisapp.cpp
View File

@ -312,7 +312,16 @@ void QgisApp::fileExit()
QApplication::exit();
}
void QgisApp::fileOpen(){
mapCanvas->freeze(true);
QgsProjectIo *pio = new QgsProjectIo(mapCanvas, QgsProjectIo::OPEN);
pio->read();
delete pio;
mapLegend->update();
mapCanvas->freeze(false);
}
void QgisApp::fileSave(){
QgsProjectIo *pio = new QgsProjectIo(mapCanvas, QgsProjectIo::SAVE);
pio->write();

2
qgis/src/qgisapp.h
View File

@ -100,6 +100,8 @@ class QgisApp:public QgisAppBase
void fileSave();
//! Save project as
void fileSaveAs();
//! Open a project
void fileOpen();
private:
//! Popup menu
QPopupMenu * popMenu;

105
qgis/src/qgsprojectio.cpp
View File

@ -14,8 +14,11 @@
#include <iostream>
#include <fstream>
#include <qfiledialog.h>
#include <qdom.h>
#include <qmessagebox.h>
#include <qcolor.h>
#include "qgsmaplayer.h"
#include "qgsdatabaselayer.h"
#include "qgsmapcanvas.h"
#include "qgsprojectio.h"
@ -42,7 +45,101 @@ void QgsProjectIo::write(){
}
}
void QgsProjectIo::read(){
selectFileName();
QString path = selectFileName();
QDomDocument *doc;
if(!path.isEmpty()){
doc = new QDomDocument( "qgisdocument" );
QFile file( path );
if ( !file.open( IO_ReadOnly ) )
return;
if ( !doc->setContent( &file ) ) {
file.close();
return;
}
file.close();
QDomNodeList nl = doc->elementsByTagName("maplayer");
QString layerCount;
layerCount = layerCount.setNum(nl.count());
//QMessageBox::information(0, "Number of map layers", layerCount);
QString wk;
// process the map layer nodes
for(int i = 0; i < nl.count(); i++){
QDomNode node = nl.item(i);
QDomElement element = node.toElement();
QString type = element.attribute("type");
QString visible = element.attribute("visible");
//QMessageBox::information(0,"Type of map layer", type);
// process layer name
QDomNode mnl = node.namedItem("layername");
QTextStream ts( &wk, IO_WriteOnly );
ts << mnl.nodeType();
//QMessageBox::information(0,"Node Type", wk);
QDomElement mne = mnl.toElement();
//QMessageBox::information(0,"Layer Name", mne.text());
QString layerName = mne.text();
//process data source
mnl = node.namedItem("datasource");
mne = mnl.toElement();
//QMessageBox::information(0,"Datasource Name", mne.text());
QString dataSource = mne.text();
//process zorder
mnl = node.namedItem("zorder");
mne = mnl.toElement();
//QMessageBox::information(0,"Zorder", mne.text());
//process symbology
mnl = node.namedItem("symbol");
QDomNode snode = mnl.namedItem("linewidth");
QDomElement lineElement = snode.toElement();
int lineWidth = lineElement.text().toInt();
snode = mnl.namedItem("outlinecolor");
QDomElement colorElement = snode.toElement();
int olRed = colorElement.attribute("red").toInt();
int olGreen = colorElement.attribute("green").toInt();
int olBlue = colorElement.attribute("blue").toInt();
snode = mnl.namedItem("fillcolor");
colorElement = snode.toElement();
int fillRed = colorElement.attribute("red").toInt();
int fillGreen = colorElement.attribute("green").toInt();
int fillBlue = colorElement.attribute("blue").toInt();
QgsSymbol *sym = new QgsSymbol();
sym->setFillColor( QColor(fillRed, fillGreen, fillBlue));
sym->setColor(QColor(olRed, olGreen, olBlue));
sym->setLineWidth(lineWidth);
// get the linewidth information
//QMessageBox::information(0,"Zorder", mne.text());
// add the layer to the maplayer
if(type = "database"){
QgsDatabaseLayer *dbl = new QgsDatabaseLayer(dataSource, layerName);
map->addLayer(dbl);
dbl->setSymbol(sym);
dbl->setVisible(visible == "1");
}else{
if(type == "vector"){
}else{
if(type == "raster"){
}
}
}
}
}
}
QString QgsProjectIo::selectFileName(){
if(action == SAVE && fullPath.isEmpty()){
@ -97,9 +194,11 @@ void QgsProjectIo::writeXML(){
QgsSymbol *sym = lyr->symbol();
xml << "\t\t\t<linewidth>" << sym->lineWidth() << "</linewidth>\n";
QColor outlineColor = sym->color();
xml << "\t\t\t<outlinecolor red=\"" << outlineColor.red() << "\" green=\"" << outlineColor.green() << "\" blue=\"" << outlineColor.blue() << "\" />\n";
xml << "\t\t\t<outlinecolor red=\"" << outlineColor.red() << "\" green=\""
<< outlineColor.green() << "\" blue=\"" << outlineColor.blue() << "\" />\n";
QColor fillColor = sym->fillColor();
xml << "\t\t\t<fillcolor red=\"" << fillColor.red() << "\" green=\"" << fillColor.green() << "\" blue=\"" << fillColor.blue() << "\" />\n";
xml << "\t\t\t<fillcolor red=\"" << fillColor.red() << "\" green=\""
<< fillColor.green() << "\" blue=\"" << fillColor.blue() << "\" />\n";
xml << "\t\t</symbol>\n";
xml << "\t</maplayer>\n";