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193 lines
7.1 KiB
193 lines
7.1 KiB
/* This file is part of the KDE project
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Copyright (C) 2004-2006 Jaroslaw Staniek <js@iidea.pl>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KEXIALTERTABLEDIALOG_P_H
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#define KEXIALTERTABLEDIALOG_P_H
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#include "kexitabledesignerview.h"
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#include <kcommand.h>
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class KexiDataAwarePropertySet;
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//! @internal indices for table columns
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#define COLUMN_ID_ICON 0
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#define COLUMN_ID_CAPTION 1
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#define COLUMN_ID_TYPE 2
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#define COLUMN_ID_DESC 3
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/*! @internal
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Command group, reimplemented to get access to commands().
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We need it to iterate through commands so we can perform a set of ALTER TABLE atomic actions. */
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class CommandGroup : public KMacroCommand
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{
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public:
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CommandGroup( const TQString & name )
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: KMacroCommand(name)
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{}
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virtual ~CommandGroup() {}
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const TQPtrList<KCommand>& commands() const { return m_commands; }
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};
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/*! @internal
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Command history, reimplemented to get access to commands().
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We need it to iterate through commands so we can perform a set of ALTER TABLE atomic actions. */
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class CommandHistory : public KCommandHistory
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{
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Q_OBJECT
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public:
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CommandHistory(TDEActionCollection *actionCollection, bool withMenus = true);
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const TQPtrList<KCommand>& commands() const { return m_commandsToUndo; }
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void addCommand(KCommand *command, bool execute = true);
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void clear();
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public slots:
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virtual void undo();
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virtual void redo();
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protected:
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TQPtrList<KCommand> m_commandsToUndo, m_commandsToRedo;
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};
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//----------------------------------------------
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//! @internal
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class KexiTableDesignerViewPrivate
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{
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public:
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KexiTableDesignerViewPrivate(KexiTableDesignerView* aDesignerView);
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~KexiTableDesignerViewPrivate();
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int generateUniqueId();
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/*! @internal
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Sets property \a propertyName in property set \a set to \a newValue.
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If \a commandGroup is not 0, a new ChangeFieldPropertyCommand object is added there as well.
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While setting the new value, addHistoryCommand_in_slotPropertyChanged_enabled is set to false,
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so addHistoryCommand() wont be executed in slotPropertyChanged() as an answer to setting
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the property.
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If \a forceAddCommand is false (the default) and \a newValue does not differ from curent property value
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(set[propertyName].value()), ChangeFieldPropertyCommand command is not added to the \a commandGroup.
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Otherwise, command is always added.
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\a rememberOldValue argument is passed to Property::setValue()
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If \a slist and \a nlist if not NULL and not empty, these are passed to Property::setListData().
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If \a slist and \a nlist if not NULL but empty, Property::setListData(0) is called.
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addHistoryCommand_in_slotPropertyChanged_enabled is then set back to the original state.
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*/
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void setPropertyValueIfNeeded( const KoProperty::Set& set, const TQCString& propertyName,
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const TQVariant& newValue, CommandGroup* commandGroup,
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bool forceAddCommand = false, bool rememberOldValue = true,
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TQStringList* const slist = 0, TQStringList* const nlist = 0);
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/*! Like above but allows to specify \a oldValue. */
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void setPropertyValueIfNeeded(
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const KoProperty::Set& set, const TQCString& propertyName,
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const TQVariant& newValue, const TQVariant& oldValue, CommandGroup* commandGroup,
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bool forceAddCommand = false, bool rememberOldValue = true,
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TQStringList* const slist = 0, TQStringList* const nlist = 0);
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/*! @internal
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Used in updatePropertiesVisibility().
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Does nothing if visibility should not be changed, i.e. when prop->isVisible()==visible,
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otherwise sets changed to true and sets visibility of property \a prop to \a visible.
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*/
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void setVisibilityIfNeeded( const KoProperty::Set& set, KoProperty::Property* prop,
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bool visible, bool &changed, CommandGroup *commandGroup );
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bool updatePropertiesVisibility(KexiDB::Field::Type fieldType, KoProperty::Set &set,
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CommandGroup *commandGroup = 0);
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/*! \return message used to ask user for accepting saving the design.
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\a emptyTable is set to true if the table designed contains no rows.
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If \a skipWarning is true, no warning about data loss is appended (useful when
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only non-physical altering actions will be performed). */
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TQString messageForSavingChanges(bool &emptyTable, bool skipWarning = false);
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/*! Updates icon in the first column, depending on property set \a set.
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For example, when "rowSource" and "rowSourceType" propertiesa are not empty,
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"combo" icon appears. */
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void updateIconForItem(KexiTableItem &item, KoProperty::Set& set);
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KexiTableDesignerView* designerView;
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KexiTableView *view; //!< helper
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KexiTableViewData *data;
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KexiDataAwarePropertySet *sets;
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int row; //!< used to know if a new row is selected in slotCellSelected()
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TDEToggleAction *action_toggle_pkey;
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TDEPopupTitle *contextMenuTitle;
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int uniqueIdCounter;
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//! internal
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int maxTypeNameTextWidth;
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//! Set to true in beforeSwitchTo() to avoid asking again in storeData()
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bool dontAskOnStoreData : 1;
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bool slotTogglePrimaryKeyCalled : 1;
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bool primaryKeyExists : 1;
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//! Used in slotPropertyChanged() to avoid infinite recursion
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bool slotPropertyChanged_primaryKey_enabled : 1;
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//! Used in slotPropertyChanged() to avoid infinite recursion
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bool slotPropertyChanged_subType_enabled : 1;
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//! used in slotPropertyChanged() to disable addHistoryCommand()
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bool addHistoryCommand_in_slotPropertyChanged_enabled : 1;
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//! used in slotRowUpdated() to disable addHistoryCommand()
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bool addHistoryCommand_in_slotRowUpdated_enabled : 1;
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//! used in slotAboutToDeleteRow() to disable addHistoryCommand()
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bool addHistoryCommand_in_slotAboutToDeleteRow_enabled : 1;
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//! used in slotRowInserted() to disable addHistoryCommand()
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bool addHistoryCommand_in_slotRowInserted_enabled : 1;
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//! used to disable slotBeforeCellChanged()
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bool slotBeforeCellChanged_enabled : 1;
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//! @tood temp; remove this:
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//! Temporary flag, used for testingu the Alter Table machinery. Affects storeData()
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//! Used in slotExecuteRealAlterTable() to switch on real alter table for a while.
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bool tempStoreDataUsingRealAlterTable : 1;
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/*! Set to a recent result of calling \ref tristate KexiTableDesignerView::storeData(bool dontAsk).
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Then, it is used in \ref void KexiTableDesignerView::executeRealAlterTable()
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to know what return value should be. */
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tristate recentResultOfStoreData;
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TDEActionCollection* historyActionCollection;
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CommandHistory* history;
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//! A cache used in KexiTableDesignerView::buildField() to quickly identify
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//! properties internal to the designer
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TQAsciiDict<char> internalPropertyNames;
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};
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#endif
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