mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-27 00:33:48 -05:00
676633b932
Added layer name field to specify the name as it will appear in the legend Added WhatsThis help and tooltips for all widgets on the dialog git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@1034 c8812cc2-4d05-0410-92ff-de0c093fc19c
135 lines
4.6 KiB
C++
135 lines
4.6 KiB
C++
/***************************************************************************
|
|
* Copyright (C) 2004 by Gary Sherman *
|
|
* sherman at mrcc.com *
|
|
* *
|
|
* GUI for loading a delimited text file as a layer in QGIS *
|
|
* This plugin works in conjuction with the delimited text data *
|
|
* provider plugin *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
***************************************************************************/
|
|
#include <iostream>
|
|
#include <qfiledialog.h>
|
|
#include <qlineedit.h>
|
|
#include <qfile.h>
|
|
#include <qcombobox.h>
|
|
#include <qpushbutton.h>
|
|
#include <qsettings.h>
|
|
#include <qfileinfo.h>
|
|
#include "qgsdelimitedtextplugingui.h"
|
|
#include "../../src/qgisiface.h"
|
|
|
|
QgsDelimitedTextPluginGui::QgsDelimitedTextPluginGui() : QgsDelimitedTextPluginGuiBase()
|
|
{
|
|
|
|
}
|
|
|
|
QgsDelimitedTextPluginGui::QgsDelimitedTextPluginGui( QgisIface * _qI, QWidget* parent , const char* name , bool modal , WFlags fl ) : QgsDelimitedTextPluginGuiBase( parent, name, modal, fl ), qI(_qI)
|
|
{
|
|
// at startup, fetch the last used delimiter and directory from
|
|
// settings
|
|
QSettings settings;
|
|
QString key = "/Qgis/delimited_text_plugin";
|
|
txtDelimiter->setText(settings.readEntry(key + "/delimiter"));
|
|
|
|
}
|
|
QgsDelimitedTextPluginGui::~QgsDelimitedTextPluginGui()
|
|
{
|
|
}
|
|
|
|
void QgsDelimitedTextPluginGui::pbnOK_clicked()
|
|
{
|
|
//Build the delimited text URI from the user provided information
|
|
QString uri = QString("%1?delimiter=%2&xField=%3&yField=%4")
|
|
.arg(txtFilePath->text())
|
|
.arg(txtDelimiter->text())
|
|
.arg(cmbXField->currentText())
|
|
.arg(cmbYField->currentText());
|
|
std::cerr << "Adding layer using " << uri << std::endl;
|
|
// add the layer to the map
|
|
emit drawVectorLayer(uri,txtLayerName->text(),"delimitedtext");
|
|
// store the settings
|
|
|
|
QSettings settings;
|
|
QString key = "/Qgis/delimited_text_plugin";
|
|
settings.writeEntry(key + "/delimiter", txtDelimiter->text());
|
|
QFileInfo fi(txtFilePath->text());
|
|
settings.writeEntry(key + "/text_path", fi.dirPath());
|
|
}
|
|
|
|
void QgsDelimitedTextPluginGui::updateFieldLists()
|
|
{
|
|
// Update the x and y field dropdown boxes
|
|
#ifdef QGISDEBUG
|
|
std::cerr << "Updating field lists" << std::endl;
|
|
#endif
|
|
// open the file
|
|
|
|
if(QFile::exists(txtFilePath->text())){
|
|
QFile *file = new QFile(txtFilePath->text());
|
|
if ( file->open( IO_ReadOnly ) ) {
|
|
// clear the field lists
|
|
cmbXField->clear();
|
|
cmbYField->clear();
|
|
QTextStream stream( file );
|
|
QString line;
|
|
line = stream.readLine(); // line of text excluding '\n'
|
|
#ifdef QGISDEBUG
|
|
std::cerr << "Attempting to split the input line: " << line <<
|
|
" using delimiter " << txtDelimiter->text() << std::endl;
|
|
#endif
|
|
|
|
QStringList fieldList = QStringList::split(txtDelimiter->text(), line);
|
|
|
|
#ifdef QGISDEBUG
|
|
std::cerr << "Split line into " << fieldList.size() << " parts" << std::endl;
|
|
#endif
|
|
//
|
|
// We don't know anything about a text based field other
|
|
// than its name. All fields are assumed to be text
|
|
int fieldPos = 0;
|
|
for ( QStringList::Iterator it = fieldList.begin(); it != fieldList.end(); ++it ) {
|
|
// add item to both drop-downs (X field and Y field)
|
|
cmbXField->insertItem(*it);
|
|
cmbYField->insertItem(*it);
|
|
}
|
|
// close the file
|
|
file->close();
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
void QgsDelimitedTextPluginGui::getOpenFileName()
|
|
{
|
|
// Get a file to process, starting at the current directory
|
|
// Set inital dir to last used
|
|
QSettings settings;
|
|
|
|
QString s = QFileDialog::getOpenFileName(
|
|
settings.readEntry("/Qgis/delimited_text_plugin/text_path","./"),
|
|
"Text files (*.txt)",
|
|
0,
|
|
"open file dialog",
|
|
"Choose a delimited text file to open" );
|
|
|
|
// set path
|
|
txtFilePath->setText(s);
|
|
// update the field drop-down boxes by parsing and splitting
|
|
// the header row
|
|
updateFieldLists();
|
|
}
|
|
void QgsDelimitedTextPluginGui::enableBrowseButton(const QString &delimiter)
|
|
{
|
|
// If a delimiter has entered, enable the browse button,
|
|
// otherwise disable it.
|
|
btnBrowseForFile->setEnabled(delimiter.length() > 0);
|
|
}
|
|
void QgsDelimitedTextPluginGui::help()
|
|
{
|
|
qI->openURL("plugins/delimited_text/index.html",true);
|
|
}
|