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Record navigation is now sane - buttons disable at top and bottom of rec set as needed. Ellisoids now disply properly. Next will come save and update tools

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git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@3167 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
timlinux 2005-04-16 00:09:17 +00:00
parent 1bb47e98ea
commit ef09086cb6
2 changed files with 147 additions and 10 deletions
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151
src/qgscustomprojectiondialog.cpp
View File

@ -33,6 +33,7 @@
#include <qurloperator.h>
#include <qcombobox.h>
#include <qprogressdialog.h>
#include <qpushbutton.h>
//stdc++ includes
#include <iostream>
@ -228,7 +229,7 @@ long QgsCustomProjectionDialog::getRecordCount()
}
QString QgsCustomProjectionDialog::getProjectionFamilyName(QString theProjectionFamilyId)
QString QgsCustomProjectionDialog::getProjectionFamilyName(QString theProjectionFamilyAcronym)
{
sqlite3 *myDatabase;
char *myErrorMessage = 0;
@ -246,7 +247,7 @@ QString QgsCustomProjectionDialog::getProjectionFamilyName(QString theProjection
assert(myResult == 0);
}
// Set up the query to retreive the projection information needed to populate the ELLIPSOID list
QString mySql = "select name from tbl_projection where acronym='" + theProjectionFamilyId + "'";
QString mySql = "select name from tbl_projection where acronym='" + theProjectionFamilyAcronym + "'";
myResult = sqlite3_prepare(myDatabase, (const char *)mySql, mySql.length(), &myPreparedStatement, &myTail);
// XXX Need to free memory from the error msg if one is set
if(myResult == SQLITE_OK)
@ -260,7 +261,7 @@ QString QgsCustomProjectionDialog::getProjectionFamilyName(QString theProjection
return myName;
}
QString QgsCustomProjectionDialog::getEllipsoidName(QString theEllipsoidId)
QString QgsCustomProjectionDialog::getEllipsoidName(QString theEllipsoidAcronym)
{
sqlite3 *myDatabase;
char *myErrorMessage = 0;
@ -278,7 +279,71 @@ QString QgsCustomProjectionDialog::getEllipsoidName(QString theEllipsoidId)
assert(myResult == 0);
}
// Set up the query to retreive the projection information needed to populate the ELLIPSOID list
QString mySql = "select name from tbl_ellipsoid where acronym='" + theEllipsoidId + "'";
QString mySql = "select name from tbl_ellipsoid where acronym='" + theEllipsoidAcronym + "'";
myResult = sqlite3_prepare(myDatabase, (const char *)mySql, mySql.length(), &myPreparedStatement, &myTail);
// XXX Need to free memory from the error msg if one is set
if(myResult == SQLITE_OK)
{
sqlite3_step(myPreparedStatement) == SQLITE_ROW;
myName = QString((char *)sqlite3_column_text(myPreparedStatement,0));
}
// close the sqlite3 statement
sqlite3_finalize(myPreparedStatement);
sqlite3_close(myDatabase);
return myName;
}
QString QgsCustomProjectionDialog::getProjectionFamilyAcronym(QString theProjectionFamilyName)
{
sqlite3 *myDatabase;
char *myErrorMessage = 0;
const char *myTail;
sqlite3_stmt *myPreparedStatement;
int myResult;
QString myName;
//check the db is available
myResult = sqlite3_open(QString(mQGisSettingsDir+"user_projections.db").latin1(), &myDatabase);
if(myResult)
{
std::cout << "Can't open database: " << sqlite3_errmsg(myDatabase) << std::endl;
// XXX This will likely never happen since on open, sqlite creates the
// database if it does not exist.
assert(myResult == 0);
}
// Set up the query to retreive the projection information needed to populate the ELLIPSOID list
QString mySql = "select acronym from tbl_projection where name='" + theProjectionFamilyName + "'";
myResult = sqlite3_prepare(myDatabase, (const char *)mySql, mySql.length(), &myPreparedStatement, &myTail);
// XXX Need to free memory from the error msg if one is set
if(myResult == SQLITE_OK)
{
sqlite3_step(myPreparedStatement) == SQLITE_ROW;
myName = QString((char *)sqlite3_column_text(myPreparedStatement,0));
}
// close the sqlite3 statement
sqlite3_finalize(myPreparedStatement);
sqlite3_close(myDatabase);
return myName;
}
QString QgsCustomProjectionDialog::getEllipsoidAcronym(QString theEllipsoidName)
{
sqlite3 *myDatabase;
char *myErrorMessage = 0;
const char *myTail;
sqlite3_stmt *myPreparedStatement;
int myResult;
QString myName;
//check the db is available
myResult = sqlite3_open(QString(mQGisSettingsDir+"user_projections.db").latin1(), &myDatabase);
if(myResult)
{
std::cout << "Can't open database: " << sqlite3_errmsg(myDatabase) << std::endl;
// XXX This will likely never happen since on open, sqlite creates the
// database if it does not exist.
assert(myResult == 0);
}
// Set up the query to retreive the projection information needed to populate the ELLIPSOID list
QString mySql = "select acronym from tbl_ellipsoid where name='" + theEllipsoidName + "'";
myResult = sqlite3_prepare(myDatabase, (const char *)mySql, mySql.length(), &myPreparedStatement, &myTail);
// XXX Need to free memory from the error msg if one is set
if(myResult == SQLITE_OK)
@ -341,6 +406,20 @@ void QgsCustomProjectionDialog::pbnFirst_clicked()
}
sqlite3_finalize(myPreparedStatement);
sqlite3_close(myDatabase);
//enable nav buttons as appropriate
pbnFirst->setEnabled(false);
pbnPrevious->setEnabled(false);
if (mCurrentRecordLong==mRecordCountLong)
{
pbnNext->setEnabled(false);
pbnLast->setEnabled(false);
}
else
{
pbnNext->setEnabled(true);
pbnLast->setEnabled(true);
}
}
@ -382,7 +461,7 @@ void QgsCustomProjectionDialog::pbnPrevious_clicked()
QString myProjectionFamilyId((char *)sqlite3_column_text(myPreparedStatement,2));
cboProjectionFamily->setCurrentText(getProjectionFamilyName(myProjectionFamilyId));
QString myEllipsoidId((char *)sqlite3_column_text(myPreparedStatement,3));
cboEllipsoid->setCurrentText(getProjectionFamilyName(myEllipsoidId));
cboEllipsoid->setCurrentText(getEllipsoidName(myEllipsoidId));
leParameters->setText((char *)sqlite3_column_text(myPreparedStatement,4));
--mCurrentRecordLong;
lblRecordNo->setText(QString::number(mCurrentRecordLong) + " of " + QString::number(mRecordCountLong));
@ -397,6 +476,28 @@ void QgsCustomProjectionDialog::pbnPrevious_clicked()
sqlite3_finalize(myPreparedStatement);
sqlite3_close(myDatabase);
//enable nav buttons as appropriate
if (mCurrentRecordLong<= 1)
{
pbnFirst->setEnabled(false);
pbnPrevious->setEnabled(false);
}
else
{
pbnFirst->setEnabled(true);
pbnPrevious->setEnabled(true);
}
if (mCurrentRecordLong==mRecordCountLong)
{
pbnNext->setEnabled(false);
pbnLast->setEnabled(false);
}
else
{
pbnNext->setEnabled(true);
pbnLast->setEnabled(true);
}
}
@ -438,7 +539,7 @@ void QgsCustomProjectionDialog::pbnNext_clicked()
QString myProjectionFamilyId((char *)sqlite3_column_text(myPreparedStatement,2));
cboProjectionFamily->setCurrentText(getProjectionFamilyName(myProjectionFamilyId));
QString myEllipsoidId((char *)sqlite3_column_text(myPreparedStatement,3));
cboEllipsoid->setCurrentText(getProjectionFamilyName(myEllipsoidId));
cboEllipsoid->setCurrentText(getEllipsoidName(myEllipsoidId));
leParameters->setText((char *)sqlite3_column_text(myPreparedStatement,4));
++mCurrentRecordLong;
lblRecordNo->setText(QString::number(mCurrentRecordLong) + " of " + QString::number(mRecordCountLong));
@ -453,6 +554,27 @@ void QgsCustomProjectionDialog::pbnNext_clicked()
sqlite3_finalize(myPreparedStatement);
sqlite3_close(myDatabase);
//enable nav buttons as appropriate
if (mCurrentRecordLong==mRecordCountLong)
{
pbnNext->setEnabled(false);
pbnLast->setEnabled(false);
}
else
{
pbnNext->setEnabled(true);
pbnLast->setEnabled(true);
}
if (mRecordCountLong <= 1)
{
pbnFirst->setEnabled(false);
pbnPrevious->setEnabled(false);
}
else
{
pbnFirst->setEnabled(true);
pbnPrevious->setEnabled(true);
}
}
@ -491,7 +613,7 @@ void QgsCustomProjectionDialog::pbnLast_clicked()
QString myProjectionFamilyId((char *)sqlite3_column_text(myPreparedStatement,2));
cboProjectionFamily->setCurrentText(getProjectionFamilyName(myProjectionFamilyId));
QString myEllipsoidId((char *)sqlite3_column_text(myPreparedStatement,3));
cboEllipsoid->setCurrentText(getProjectionFamilyName(myEllipsoidId));
cboEllipsoid->setCurrentText(getEllipsoidName(myEllipsoidId));
leParameters->setText((char *)sqlite3_column_text(myPreparedStatement,4));
mCurrentRecordLong =mRecordCountLong;
lblRecordNo->setText(QString::number(mCurrentRecordLong) + " of " + QString::number(mRecordCountLong));
@ -505,7 +627,20 @@ void QgsCustomProjectionDialog::pbnLast_clicked()
}
sqlite3_finalize(myPreparedStatement);
sqlite3_close(myDatabase);
//enable nav buttons as appropriate
pbnNext->setEnabled(false);
pbnLast->setEnabled(false);
if (mRecordCountLong <= 1)
{
pbnFirst->setEnabled(false);
pbnPrevious->setEnabled(false);
}
else
{
pbnFirst->setEnabled(true);
pbnPrevious->setEnabled(true);
}
}

6
src/qgscustomprojectiondialog.h
View File

@ -49,8 +49,10 @@ public slots:
//
void getProjList();
void getEllipsoidList();
QString getProjectionFamilyName(QString theProjectionFamilyId);
QString getEllipsoidName(QString theEllipsoidId);
QString getProjectionFamilyName(QString theProjectionFamilyAcronym);
QString getEllipsoidName(QString theEllipsoidAcronym);
QString getProjectionFamilyAcronym(QString theProjectionFamilyName);
QString getEllipsoidAcronym(QString theEllipsoidName);
private:
QString mCurrentRecordId;
long mCurrentRecordLong;