sharpetronics/QGIS
1
0
Fork 0
mirror of https://github.com/qgis/QGIS.git synced 2025-04-14 00:07:35 -04:00
Code Issues Packages Projects Releases Wiki Activity

applied #3863 (fixes #2774)

Browse Source
This commit is contained in:
Steven Mizuno 2011-06-02 17:21:03 +02:00 committed by Juergen E. Fischer
parent 94dc380cdd
commit 9ae32d32b2
6 changed files with 107 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
doc/CONTRIBUTORS
View File

@ -48,6 +48,7 @@ Richard Duivenvoorde
Richard Kostecky
Robert Szczepanek
Stefanie Tellex
Steven Mizuno
Tom Russo
Tyler Mitchell
Vita Cizek

5
resources/context_help/QgsBookmarks-en_US
View File

@ -5,6 +5,7 @@ Spatial Bookmarks allow you to "bookmark" a geographic location and return to it
<a href="#working">Working with Bookmarks</a><br/>
<a href="#zooming">Zooming to a Bookmark</a><br/>
<a href="#deleting">Deleting a Bookmark</a><br/>
<a href="#updating">Updating a Bookmark</a><br/>
<a name="creating">
<h4>Creating a Bookmark</h4>
@ -31,4 +32,8 @@ You can also zoom to a bookmark by double-clicking on it.
<h5>Deleting a Bookmark</h5>
</a>
To delete a bookmark from the Bookmarks dialog, click on it then click the <label>Delete</label> button. Confirm your choice by clicking <label>OK</label> or cancel the delete by clicking <label>Cancel</label>.
<a name="updating">
<h5>Updating a Bookmark</h5>
</a>
To update the extent of a bookmark, click on it then click the <label>Update</label> button. Confirm your choice by clicking <label>OK</label> or cancel the update by clicking <label>Cancel</label>.

1
src/app/qgisapp.cpp
View File

@ -6338,7 +6338,6 @@ void QgisApp::showBookmarks()
{
bookmarks = new QgsBookmarks( this, Qt::WindowMinMaxButtonsHint );
}
bookmarks->restorePosition();
bookmarks->show();
bookmarks->raise();
bookmarks->setWindowState( bookmarks->windowState() & ~Qt::WindowMinimized );

67
src/app/qgsbookmarkitem.cpp
View File

@ -42,7 +42,36 @@ void QgsBookmarkItem::store()
int rc;
QgsDebugMsg( QString( "Opening user database: %1" ).arg( mUserDbPath ) );
rc = sqlite3_open( mUserDbPath.toUtf8().data(), &db );
if ( rc )
if ( SQLITE_OK == rc )
{
// prepare the sql statement
QString sql;
QTextStream sqlStream( &sql );
// use '17 g' format; SmartNotation is default
sqlStream.setRealNumberPrecision( 17 );
sqlStream << "insert into tbl_bookmarks values(null,'" <<
// fix occurrences of single-quote
mName.replace( '\'', "''" ) << "','" <<
mProjectTitle.replace( '\'', "''" ) << "'," <<
mViewExtent.xMinimum() << "," <<
mViewExtent.yMinimum() << "," <<
mViewExtent.xMaximum() << "," <<
mViewExtent.yMaximum() << "," <<
mSrid << ")";
QgsDebugMsg( QString( "Storing bookmark using: %1" ).arg( sql ) );
char * errmsg = 0;
rc = sqlite3_exec( db, sql.toUtf8(), NULL, NULL, &errmsg );
if ( rc != SQLITE_OK )
{
// XXX query failed -- warn the user some how
QgsDebugMsg( QString( "Failed to store bookmark: %1" ).arg( errmsg ) );
sqlite3_free( errmsg );
}
sqlite3_close( db );
}
else
{
QgsDebugMsg( QString( "Can't open database: %1" ).arg( sqlite3_errmsg( db ) ) );
@ -50,40 +79,4 @@ void QgsBookmarkItem::store()
// database if it does not exist.
assert( rc == 0 );
}
// prepare the sql statement
const char *pzTail;
sqlite3_stmt *ppStmt;
QString sql;
QTextStream sqlStream( &sql );
sqlStream << "insert into tbl_bookmarks values(null,'" <<
mName << "','" <<
mProjectTitle << "'," <<
mViewExtent.xMinimum() << "," <<
mViewExtent.yMinimum() << "," <<
mViewExtent.xMaximum() << "," <<
mViewExtent.yMaximum() << "," <<
mSrid << ")";
QgsDebugMsg( QString( "Storing bookmark using: %1" ).arg( sql ) );
QByteArray sqlData = sql.toUtf8();
rc = sqlite3_prepare( db, sqlData.constData(), sqlData.size(), &ppStmt, &pzTail );
// XXX Need to free memory from the error msg if one is set
if ( rc == SQLITE_OK )
{
// get the first row of the result set
if ( sqlite3_step( ppStmt ) != SQLITE_DONE )
{
// XXX query failed -- warn the user some how
QgsDebugMsg( QString( "Failed to store bookmark: %1" ).arg( sqlite3_errmsg( db ) ) );
}
// close the statement
sqlite3_finalize( ppStmt );
// close the database
sqlite3_close( db );
}
}

71
src/app/qgsbookmarks.cpp
View File

@ -37,6 +37,9 @@ QgsBookmarks::QgsBookmarks( QWidget *parent, Qt::WFlags fl )
mParent( parent )
{
setupUi( this );
restorePosition();
// user database is created at QGIS startup in QgisApp::createDB
// we just check whether there is our database [MD]
QFileInfo myFileInfo;
@ -53,11 +56,15 @@ QgsBookmarks::QgsBookmarks( QWidget *parent, Qt::WFlags fl )
// Create the zoomto and delete buttons and add them to the
// toolbar
//
QPushButton * btnUpdate = new QPushButton( tr( "&Update" ) );
QPushButton * btnDelete = new QPushButton( tr( "&Delete" ) );
QPushButton * btnZoomTo = new QPushButton( tr( "&Zoom to" ) );
btnZoomTo->setDefault( true );
buttonBox->addButton( btnUpdate, QDialogButtonBox::ActionRole );
buttonBox->addButton( btnDelete, QDialogButtonBox::ActionRole );
buttonBox->addButton( btnZoomTo, QDialogButtonBox::ActionRole );
// connect the slot up to catch when a bookmark is updated
connect( btnUpdate, SIGNAL( clicked() ), this, SLOT( on_btnUpdate_clicked() ) );
// connect the slot up to catch when a bookmark is deleted
connect( btnDelete, SIGNAL( clicked() ), this, SLOT( on_btnDelete_clicked() ) );
// connect the slot up to catch when a bookmark is zoomed to
@ -108,7 +115,7 @@ void QgsBookmarks::initialise()
QString xMax = QString::fromUtf8(( const char * )sqlite3_column_text( ppStmt, 5 ) );
QString yMax = QString::fromUtf8(( const char * )sqlite3_column_text( ppStmt, 6 ) );
// set the extents
item->setText( 2, xMin + ", " + yMin + ", " + xMax + ", " + yMax );
item->setText( 2, xMin + ", " + yMin + " : " + xMax + ", " + yMax ); // use colon to separate ll from ur corners listed (be consistent with other displays of extent)
// set the id
item->setText( 3, QString::fromUtf8(( const char * )sqlite3_column_text( ppStmt, 0 ) ) );
}
@ -144,6 +151,66 @@ void QgsBookmarks::saveWindowLocation()
settings.setValue( "/Windows/Bookmarks/geometry", saveGeometry() );
}
void QgsBookmarks::on_btnUpdate_clicked()
{
// get the current item
QTreeWidgetItem *item = lstBookmarks->currentItem();
if ( item )
{
// make sure the user really wants to update this bookmark
if ( QMessageBox::Ok == QMessageBox::information( this, tr( "Really Update?" ),
tr( "Are you sure you want to update the %1 bookmark?" ).arg( item->text( 0 ) ),
QMessageBox::Ok | QMessageBox::Cancel ) )
{
// retrieve the current map extent
QgsRectangle viewExtent = QgisApp::instance()->mapCanvas()->extent();
int rc;
QgsDebugMsg( QString( "Opening user database: %1" ).arg( QgsApplication::qgisUserDbFilePath() ) );
rc = connectDb();
if ( SQLITE_OK == rc )
{
// prepare the sql statement
QString sql;
QTextStream sqlStream( &sql );
// use '17 g' format; SmartNotation is default
sqlStream.setRealNumberPrecision( 17 );
sqlStream << "update tbl_bookmarks set " <<
"xmin=" << viewExtent.xMinimum() << "," <<
"ymin=" << viewExtent.yMinimum() << "," <<
"xmax=" << viewExtent.xMaximum() << "," <<
"ymax=" << viewExtent.yMaximum() << " " <<
"where bookmark_id=" << item->text( 3 );
QgsDebugMsg( QString( "Storing bookmark using: %1" ).arg( sql ) );
char * errmsg;
rc = sqlite3_exec( db, sql.toUtf8(), NULL, NULL, &errmsg );
if ( rc != SQLITE_OK )
{
// XXX Provide popup message on failure?
QMessageBox::warning( this, tr( "Error updating bookmark" ),
tr( "Failed to update the %1 bookmark. The database said:\n%2" )
.arg( item->text( 0 ) ).arg( errmsg ) );
sqlite3_free( errmsg );
}
// close the database
sqlite3_close( db );
refreshBookmarks();
}
else
{
QgsDebugMsg( QString( "Can't open database: %1" ).arg( sqlite3_errmsg( db ) ) );
// XXX This will likely never happen since on open, sqlite creates the
// database if it does not exist.
assert( rc == 0 );
}
}
}
}
void QgsBookmarks::on_btnDelete_clicked()
{
// get the current item
@ -186,7 +253,7 @@ void QgsBookmarks::on_btnZoomTo_clicked()
zoomToBookmark();
}
void QgsBookmarks::on_lstBookmarks_doubleClicked( QTreeWidgetItem *lvi )
void QgsBookmarks::on_lstBookmarks_itemDoubleClicked( QTreeWidgetItem *lvi )
{
zoomToBookmark();
}

3
src/app/qgsbookmarks.h
View File

@ -34,9 +34,10 @@ class QgsBookmarks : public QDialog, private Ui::QgsBookmarksBase
void restorePosition();
private slots:
void saveWindowLocation();
void on_btnUpdate_clicked();
void on_btnDelete_clicked();
void on_btnZoomTo_clicked();
void on_lstBookmarks_doubleClicked( QTreeWidgetItem * );
void on_lstBookmarks_itemDoubleClicked( QTreeWidgetItem * );
void refreshBookmarks();
void on_buttonBox_helpRequested() { QgsContextHelp::run( metaObject()->className() ); }