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koffice/kexi/plugins/forms/kexidatasourcepage.cpp

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/* This file is part of the KDE project
Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kexidatasourcepage.h"
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqtooltip.h>
#include <tqheader.h>
#include <kiconloader.h>
#include <klocale.h>
#include <ktoolbarbutton.h>
#include <kdebug.h>
#include <kpopupmenu.h>
#include <widget/kexipropertyeditorview.h>
#include <widget/kexidatasourcecombobox.h>
#include <widget/kexifieldlistview.h>
#include <widget/kexifieldcombobox.h>
#include <widget/kexismalltoolbutton.h>
#include <kexidb/connection.h>
#include <kexiproject.h>
#include <formeditor/commands.h>
#include <koproperty/property.h>
#include <koproperty/utils.h>
KexiDataSourcePage::KexiDataSourcePage(TQWidget *parent, const char *name)
: TQWidget(parent, name)
, m_insideClearDataSourceSelection(false)
{
TQVBoxLayout *vlyr = new TQVBoxLayout(this);
m_objectInfoLabel = new KexiObjectInfoLabel(this, "KexiObjectInfoLabel");
vlyr->addWidget(m_objectInfoLabel);
m_noDataSourceAvailableSingleText = i18n("No data source could be assigned for this widget.");
m_noDataSourceAvailableMultiText = i18n("No data source could be assigned for multiple widgets.");
vlyr->addSpacing(8);
//Section 1: Form's/Widget's Data Source
KoProperty::GroupContainer *container = new KoProperty::GroupContainer(i18n("Data Source"), this);
vlyr->addWidget(container);
TQWidget *contents = new TQWidget(container);
container->setContents(contents);
TQVBoxLayout *contentsVlyr = new TQVBoxLayout(contents);
m_noDataSourceAvailableLabel = new TQLabel(m_noDataSourceAvailableSingleText, contents);
m_noDataSourceAvailableLabel->setSizePolicy(TQSizePolicy::Preferred, TQSizePolicy::Fixed);
m_noDataSourceAvailableLabel->setMargin(2);
m_noDataSourceAvailableLabel->setAlignment(TQt::WordBreak | TQt::AlignBottom | TQt::AlignLeft);
contentsVlyr->addWidget(m_noDataSourceAvailableLabel);
//-Widget's Data Source
TQHBoxLayout *hlyr = new TQHBoxLayout(contentsVlyr);
#if 0
//! @todo unhide this when expression work
// m_widgetDSLabel = new TQLabel(i18n("Table Field, Query Field or Expression", "Source field or expression:"), this);
#else
m_widgetDSLabel = new TQLabel(i18n("Table Field or Query Field", "Widget's data source:"), contents);
#endif
m_widgetDSLabel->setSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Fixed);
m_widgetDSLabel->setMargin(2);
m_widgetDSLabel->setMinimumHeight(IconSize(KIcon::Small)+4);
m_widgetDSLabel->setAlignment(AlignLeft|AlignBottom);
hlyr->addWidget(m_widgetDSLabel);
m_clearWidgetDSButton = new KexiSmallToolButton(contents, TQString(), "clear_left", "clearWidgetDSButton");
m_clearWidgetDSButton->setMinimumHeight(m_widgetDSLabel->minimumHeight());
TQToolTip::add(m_clearWidgetDSButton, i18n("Clear widget's data source"));
hlyr->addWidget(m_clearWidgetDSButton);
connect(m_clearWidgetDSButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(clearWidgetDataSourceSelection()));
m_sourceFieldCombo = new KexiFieldComboBox(contents, "sourceFieldCombo");
m_widgetDSLabel->setBuddy(m_sourceFieldCombo);
contentsVlyr->addWidget(m_sourceFieldCombo);
/* m_dataSourceSeparator = new TQFrame(contents);
m_dataSourceSeparator->setFrameShape(TQFrame::HLine);
m_dataSourceSeparator->setFrameShadow(TQFrame::Sunken);
contentsVlyr->addWidget(m_dataSourceSeparator);*/
contentsVlyr->addSpacing(8);
//- Form's Data Source
hlyr = new TQHBoxLayout(contentsVlyr);
m_dataSourceLabel = new TQLabel(i18n("Form's data source:"), contents);
m_dataSourceLabel->setSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Fixed);
m_dataSourceLabel->setMargin(2);
m_dataSourceLabel->setMinimumHeight(IconSize(KIcon::Small)+4);
m_dataSourceLabel->setAlignment(AlignLeft|AlignBottom);
hlyr->addWidget(m_dataSourceLabel);
m_gotoButton = new KexiSmallToolButton(contents, TQString(), "goto", "gotoButton");
m_gotoButton->setMinimumHeight(m_dataSourceLabel->minimumHeight());
TQToolTip::add(m_gotoButton, i18n("Go to selected form's data source"));
hlyr->addWidget(m_gotoButton);
connect(m_gotoButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotGotoSelected()));
m_clearDSButton = new KexiSmallToolButton(contents, TQString(), "clear_left", "clearDSButton");
m_clearDSButton->setMinimumHeight(m_dataSourceLabel->minimumHeight());
TQToolTip::add(m_clearDSButton, i18n("Clear form's data source"));
hlyr->addWidget(m_clearDSButton);
connect(m_clearDSButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(clearDataSourceSelection()));
m_dataSourceCombo = new KexiDataSourceComboBox(contents, "dataSourceCombo");
m_dataSourceLabel->setBuddy(m_dataSourceCombo);
contentsVlyr->addWidget(m_dataSourceCombo);
#ifdef KEXI_NO_AUTOFIELD_WIDGET
m_availableFieldsLabel = 0;
m_addField = 0;
// m_fieldListView = 0;
vlyr->addStretch();
#else
vlyr->addSpacing(fontMetrics().height());
/* TQFrame *separator = new TQFrame(this);
separator->setFrameShape(TQFrame::HLine);
separator->setFrameShadow(TQFrame::Sunken);
vlyr->addWidget(separator);*/
/*
KPopupTitle *title = new KPopupTitle(this);
title->setTitle(i18n("Inserting fields"));
vlyr->addWidget(title);
vlyr->addSpacing(4);*/
//2. Inserting fields
container = new KoProperty::GroupContainer(i18n("Inserting Fields"), this);
vlyr->addWidget(container, 1);
//helper info
//! @todo allow to hide such helpers by adding global option
contents = new TQWidget(container);
container->setContents(contents);
contentsVlyr = new TQVBoxLayout(contents);
hlyr = new TQHBoxLayout(contentsVlyr);
m_mousePointerLabel = new TQLabel(contents);
hlyr->addWidget(m_mousePointerLabel);
m_mousePointerLabel->setPixmap( SmallIcon("mouse_pointer") );
m_mousePointerLabel->setFixedWidth( m_mousePointerLabel->pixmap() ? m_mousePointerLabel->pixmap()->width() : 0);
m_availableFieldsDescriptionLabel = new TQLabel(
i18n("Select fields from the list below and drag them onto a form or click the \"Insert\" button"), contents);
m_availableFieldsDescriptionLabel->setAlignment( TQt::AlignAuto | TQt::WordBreak );
hlyr->addWidget(m_availableFieldsDescriptionLabel);
//Available Fields
contentsVlyr->addSpacing(4);
hlyr = new TQHBoxLayout(contentsVlyr);
m_availableFieldsLabel = new TQLabel(i18n("Available fields:"), contents);
m_availableFieldsLabel->setSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Fixed);
m_availableFieldsLabel->setMargin(2);
m_availableFieldsLabel->setMinimumHeight(IconSize(KIcon::Small));
hlyr->addWidget(m_availableFieldsLabel);
m_addField = new KexiSmallToolButton(contents, i18n("Insert selected field into form", "Insert"),
"add_field", "addFieldButton");
m_addField->setMinimumHeight(m_availableFieldsLabel->minimumHeight());
// m_addField->setTextPosition(TQToolButton::Right);
m_addField->setFocusPolicy(TQ_StrongFocus);
TQToolTip::add(m_addField, i18n("Insert selected fields into form"));
hlyr->addWidget(m_addField);
connect(m_addField, TQT_SIGNAL(clicked()), this, TQT_SLOT(slotInsertSelectedFields()));
m_fieldListView = new KexiFieldListView(contents, "fieldListView",
KexiFieldListView::ShowDataTypes | KexiFieldListView::AllowMultiSelection );
m_fieldListView->setSizePolicy(TQSizePolicy(TQSizePolicy::Preferred, TQSizePolicy::Expanding));
m_availableFieldsLabel->setBuddy(m_fieldListView);
contentsVlyr->addWidget(m_fieldListView, 1);
connect(m_fieldListView, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(slotFieldListViewSelectionChanged()));
connect(m_fieldListView, TQT_SIGNAL(fieldDoubleClicked(const TQString&, const TQString&, const TQString&)),
this, TQT_SLOT(slotFieldDoubleClicked(const TQString&, const TQString&, const TQString&)));
#endif
vlyr->addStretch(1);
connect(m_dataSourceCombo, TQT_SIGNAL(textChanged(const TQString &)), this, TQT_SLOT(slotDataSourceTextChanged(const TQString &)));
connect(m_dataSourceCombo, TQT_SIGNAL(dataSourceChanged()), this, TQT_SLOT(slotDataSourceChanged()));
connect(m_sourceFieldCombo, TQT_SIGNAL(selected()), this, TQT_SLOT(slotFieldSelected()));
clearDataSourceSelection();
slotFieldListViewSelectionChanged();
}
KexiDataSourcePage::~KexiDataSourcePage()
{
}
void KexiDataSourcePage::setProject(KexiProject *prj)
{
m_sourceFieldCombo->setProject(prj);
m_dataSourceCombo->setProject(prj);
}
void KexiDataSourcePage::clearDataSourceSelection(bool alsoClearComboBox)
{
if (m_insideClearDataSourceSelection)
return;
m_insideClearDataSourceSelection = true;
if (alsoClearComboBox && !m_dataSourceCombo->selectedName().isEmpty())
m_dataSourceCombo->setDataSource("", "");
// if (!m_dataSourceCombo->currentText().isEmpty()) {
// m_dataSourceCombo->setCurrentText("");
// emit m_dataSourceCombo->dataSourceSelected();
// }
m_clearDSButton->setEnabled(false);
m_gotoButton->setEnabled(false);
#ifndef KEXI_NO_AUTOFIELD_WIDGET
m_addField->setEnabled(false);
m_fieldListView->clear();
#endif
m_insideClearDataSourceSelection = false;
}
void KexiDataSourcePage::clearWidgetDataSourceSelection()
{
if (!m_sourceFieldCombo->currentText().isEmpty()) {
m_sourceFieldCombo->setCurrentText("");
m_sourceFieldCombo->setFieldOrExpression(TQString());
slotFieldSelected();
}
m_clearWidgetDSButton->setEnabled(false);
}
void KexiDataSourcePage::slotGotoSelected()
{
TQCString mime = m_dataSourceCombo->selectedMimeType().latin1();
if (mime=="kexi/table" || mime=="kexi/query") {
if (m_dataSourceCombo->isSelectionValid())
emit jumpToObjectRequested(mime, m_dataSourceCombo->selectedName().latin1());
}
}
void KexiDataSourcePage::slotInsertSelectedFields()
{
#ifndef KEXI_NO_AUTOFIELD_WIDGET
TQStringList selectedFieldNames(m_fieldListView->selectedFieldNames());
if (selectedFieldNames.isEmpty())
return;
emit insertAutoFields(m_fieldListView->schema()->table() ? "kexi/table" : "kexi/query",
m_fieldListView->schema()->name(), selectedFieldNames);
#endif
}
void KexiDataSourcePage::slotFieldDoubleClicked(const TQString& sourceMimeType, const TQString& sourceName,
const TQString& fieldName)
{
#ifndef KEXI_NO_AUTOFIELD_WIDGET
TQStringList selectedFields;
selectedFields.append(fieldName);
emit insertAutoFields(sourceMimeType, sourceName, selectedFields);
#endif
}
void KexiDataSourcePage::slotDataSourceTextChanged(const TQString & string)
{
Q_UNUSED(string);
const bool enable = m_dataSourceCombo->isSelectionValid(); //!string.isEmpty() && m_dataSourceCombo->selectedName() == string.latin1();
if (!enable) {
clearDataSourceSelection( m_dataSourceCombo->selectedName().isEmpty()/*alsoClearComboBox*/ );
}
updateSourceFieldWidgetsAvailability();
/*#ifndef KEXI_NO_AUTOFIELD_WIDGET
m_fieldListView->setEnabled(enable);
// m_addField->setEnabled(enable);
m_availableFieldsLabel->setEnabled(enable);
#endif*/
}
void KexiDataSourcePage::slotDataSourceChanged()
{
if (!m_dataSourceCombo->project())
return;
TQCString mime = m_dataSourceCombo->selectedMimeType().latin1();
bool dataSourceFound = false;
TQCString name = m_dataSourceCombo->selectedName().latin1();
if ((mime=="kexi/table" || mime=="kexi/query") && m_dataSourceCombo->isSelectionValid()) {
KexiDB::TableOrQuerySchema *tableOrQuery = new KexiDB::TableOrQuerySchema(
m_dataSourceCombo->project()->dbConnection(), name, mime=="kexi/table");
if (tableOrQuery->table() || tableOrQuery->query()) {
#ifdef KEXI_NO_AUTOFIELD_WIDGET
m_tableOrQuerySchema = tableOrQuery;
#else
m_fieldListView->setSchema( tableOrQuery );
#endif
dataSourceFound = true;
m_sourceFieldCombo->setTableOrQuery(name, mime=="kexi/table");
}
else {
delete tableOrQuery;
}
}
if (!dataSourceFound) {
m_sourceFieldCombo->setTableOrQuery("", true);
}
//if (m_sourceFieldCombo->hasFocus())
// m_dataSourceCombo->setFocus();
m_clearDSButton->setEnabled(dataSourceFound);
m_gotoButton->setEnabled(dataSourceFound);
if (dataSourceFound) {
slotFieldListViewSelectionChanged();
} else {
#ifndef KEXI_NO_AUTOFIELD_WIDGET
m_addField->setEnabled(false);
#endif
}
updateSourceFieldWidgetsAvailability();
emit formDataSourceChanged(mime, name);
}
void KexiDataSourcePage::slotFieldSelected()
{
KexiDB::Field::Type dataType = KexiDB::Field::InvalidType;
#ifdef KEXI_NO_AUTOFIELD_WIDGET
KexiDB::Field *field = m_tableOrQuerySchema->field( m_sourceFieldCombo->fieldOrExpression() ); //temp
#else
//! @todo this should also work for expressions
KexiDB::Field *field = m_fieldListView->schema()->field( m_sourceFieldCombo->fieldOrExpression() );
#endif
if (field)
dataType = field->type();
m_clearWidgetDSButton->setEnabled( !m_sourceFieldCombo->fieldOrExpression().isEmpty() );
emit dataSourceFieldOrExpressionChanged(
m_sourceFieldCombo->fieldOrExpression(),
m_sourceFieldCombo->fieldOrExpressionCaption(),
dataType
);
}
void KexiDataSourcePage::setDataSource(const TQCString& mimeType, const TQCString& name)
{
m_dataSourceCombo->setDataSource(mimeType, name);
}
void KexiDataSourcePage::assignPropertySet(KoProperty::Set* propertySet)
{
TQCString objectName;
if (propertySet && propertySet->contains("name"))
objectName = (*propertySet)["name"].value().toCString();
if (!objectName.isEmpty() && objectName == m_currentObjectName)
return; //the same object
m_currentObjectName = objectName;
TQCString objectClassName;
if (propertySet && propertySet->contains("this:className"))
objectClassName = (*propertySet)["this:className"].value().toCString();
/*moved if (propertySet) {
TQCString iconName;
TQString objectClassString;
if (propertySet->contains("this:iconName"))
iconName = (*propertySet)["this:iconName"].value().toCString();
if (propertySet->contains("this:classString"))
objectClassString = (*propertySet)["this:classString"].value().toString();
m_objectInfoLabel->setObjectName(objectName);
m_objectInfoLabel->setObjectClassIcon(iconName);
m_objectInfoLabel->setObjectClassName(objectClassString);
if (propertySet->contains("this:className"))
objectClassName = (*propertySet)["this:className"].value().toCString();
}*/
KexiPropertyEditorView::updateInfoLabelForPropertySet(
m_objectInfoLabel, propertySet);
const bool isForm = objectClassName=="KexiDBForm";
// kdDebug() << "objectClassName=" << objectClassName << endl;
// {
/* //this is top level form's surface: data source means table or query
TQCString dataSourceMimeType, dataSource;
if (buffer->hasProperty("dataSourceMimeType"))
dataSourceMimeType = (*buffer)["dataSourceMimeType"].value().toCString();
if (buffer->hasProperty("dataSource"))
dataSource = (*buffer)["dataSource"].value().toCString();
m_dataSourceCombo->setDataSource(dataSourceMimeType, dataSource);*/
// }
// else {
const bool multipleSelection = objectClassName=="special:multiple";
const bool hasDataSourceProperty = propertySet && propertySet->contains("dataSource") && !multipleSelection;
if (!isForm) {
//this is a widget
TQCString dataSource;
if (hasDataSourceProperty) {
if (propertySet)
dataSource = (*propertySet)["dataSource"].value().toCString();
m_noDataSourceAvailableLabel->hide();
m_sourceFieldCombo->setFieldOrExpression(dataSource.data());
m_sourceFieldCombo->setEnabled(true);
m_clearWidgetDSButton->setEnabled(!m_sourceFieldCombo->currentText().isEmpty());
m_widgetDSLabel->show();
m_clearWidgetDSButton->show();
m_sourceFieldCombo->show();
// m_dataSourceSeparator->hide();
updateSourceFieldWidgetsAvailability();
}
}
if (isForm) {
m_noDataSourceAvailableLabel->hide();
// m_dataSourceSeparator->hide();
}
else if (!hasDataSourceProperty) {
if (multipleSelection)
m_noDataSourceAvailableLabel->setText(m_noDataSourceAvailableMultiText);
else
m_noDataSourceAvailableLabel->setText(m_noDataSourceAvailableSingleText);
m_noDataSourceAvailableLabel->show();
// m_dataSourceSeparator->show();
//make 'No data source could be assigned' label's height the same as the 'source field' combo+label
m_noDataSourceAvailableLabel->setMinimumHeight(m_widgetDSLabel->height()
+ m_sourceFieldCombo->height()/*-m_dataSourceSeparator->height()*/);
m_sourceFieldCombo->setCurrentText("");
}
if (isForm || !hasDataSourceProperty) {
//no source field can be set
m_widgetDSLabel->hide();
m_clearWidgetDSButton->hide();
m_sourceFieldCombo->hide();
}
}
void KexiDataSourcePage::slotFieldListViewSelectionChanged()
{
#ifndef KEXI_NO_AUTOFIELD_WIDGET
//update "add field" button's state
for (TQListViewItemIterator it(m_fieldListView); it.current(); ++it) {
if (it.current()->isSelected()) {
m_addField->setEnabled(true);
return;
}
}
m_addField->setEnabled(false);
#endif
}
void KexiDataSourcePage::updateSourceFieldWidgetsAvailability()
{
const bool hasDataSource = m_dataSourceCombo->isSelectionValid(); //!m_dataSourceCombo->selectedName().isEmpty();
m_sourceFieldCombo->setEnabled( hasDataSource );
m_widgetDSLabel->setEnabled( hasDataSource );
#ifndef KEXI_NO_AUTOFIELD_WIDGET
m_fieldListView->setEnabled( hasDataSource );
m_availableFieldsLabel->setEnabled( hasDataSource );
m_mousePointerLabel->setEnabled( hasDataSource );
m_availableFieldsDescriptionLabel->setEnabled( hasDataSource );
#endif
}
#include "kexidatasourcepage.moc"