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| -rw-r--r-- | extensions/source/propctrlr/formcomponenthandler.hxx | 435 |
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diff --git a/extensions/source/propctrlr/formcomponenthandler.hxx b/extensions/source/propctrlr/formcomponenthandler.hxx new file mode 100644 index 000000000..bc7367abb --- /dev/null +++ b/extensions/source/propctrlr/formcomponenthandler.hxx @@ -0,0 +1,435 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <memory> +#include "propertyhandler.hxx" +#include "sqlcommanddesign.hxx" +#include <comphelper/uno3.hxx> +#include <comphelper/proparrhlp.hxx> +#include <comphelper/propertycontainer.hxx> +#include <com/sun/star/beans/XPropertyState.hpp> +#include <com/sun/star/sdbc/XRowSet.hpp> +#include <com/sun/star/awt/XControlContainer.hpp> +#include <connectivity/dbtools.hxx> + +#include <set> + + +namespace pcr +{ + + + //= ComponentClassification + + enum ComponentClassification + { + eFormControl, + eDialogControl, + eUnknown + }; + + + //= FormComponentPropertyHandler + + class FormComponentPropertyHandler; + typedef ::comphelper::OPropertyArrayUsageHelper<FormComponentPropertyHandler> FormComponentPropertyHandler_PROP; + /** default ->XPropertyHandler for all form components. + */ + class FormComponentPropertyHandler : public PropertyHandlerComponent, + public ::comphelper::OPropertyContainer, + public FormComponentPropertyHandler_PROP + { + private: + /// access to property states + css::uno::Reference< css::beans::XPropertyState > m_xPropertyState; + /// the parent of our component + css::uno::Reference< css::uno::XInterface > m_xObjectParent; + + /// the database connection. Owned by us if and only if we created it ourself. + mutable ::dbtools::SharedConnection m_xRowSetConnection; + css::uno::Reference< css::sdbc::XRowSet > m_xRowSet; + /** helper component encapsulating the handling for the QueryDesign component for + interactively designing an SQL command + */ + ::rtl::Reference< SQLCommandDesigner > m_xCommandDesigner; + css::uno::Reference< css::inspection::XObjectInspectorUI > m_xBrowserUI; + + /// the string indicating a "default" (VOID) value in list-like controls + OUString m_sDefaultValueString; + /// all properties to whose control's we added ->m_sDefaultValueString + std::set< OUString > m_aPropertiesWithDefListEntry; + /// type of our component + ComponentClassification m_eComponentClass; + /// is our component a (database) sub form? + bool m_bComponentIsSubForm : 1; + /// our component has a "ListSource" property + bool m_bHaveListSource : 1; + /// our component has a "Command" property + bool m_bHaveCommand : 1; + /// the class id of the component - if applicable + sal_Int16 m_nClassId; + + public: + explicit FormComponentPropertyHandler( + const css::uno::Reference< css::uno::XComponentContext >& _rxContext + ); + + DECLARE_XINTERFACE( ) + + // XPropertySet + virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo( ) override; + + protected: + virtual ~FormComponentPropertyHandler() override; + + protected: + // XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames () override; + + virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const override; + virtual ::cppu::IPropertyArrayHelper& SAL_CALL getInfoHelper() override; + // XPropertyHandler overridables + virtual css::uno::Any SAL_CALL getPropertyValue( const OUString& _rPropertyName ) override; + virtual void SAL_CALL setPropertyValue( const OUString& _rPropertyName, const css::uno::Any& _rValue ) override; + virtual css::uno::Any SAL_CALL convertToPropertyValue( const OUString& _rPropertyName, const css::uno::Any& _rControlValue ) override; + virtual css::uno::Any SAL_CALL convertToControlValue( const OUString& _rPropertyName, const css::uno::Any& _rPropertyValue, const css::uno::Type& _rControlValueType ) override; + virtual css::beans::PropertyState SAL_CALL getPropertyState( const OUString& _rPropertyName ) override; + virtual void SAL_CALL addPropertyChangeListener( const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener ) override; + virtual void SAL_CALL removePropertyChangeListener( const css::uno::Reference< css::beans::XPropertyChangeListener >& _rxListener ) override; + virtual css::uno::Sequence< OUString > SAL_CALL getSupersededProperties() override; + virtual css::uno::Sequence< OUString > SAL_CALL getActuatingProperties() override; + virtual css::inspection::LineDescriptor SAL_CALL describePropertyLine( const OUString& _rPropertyName, const css::uno::Reference< css::inspection::XPropertyControlFactory >& _rxControlFactory ) override; + virtual css::inspection::InteractiveSelectionResult + SAL_CALL onInteractivePropertySelection( const OUString& _rPropertyName, sal_Bool _bPrimary, css::uno::Any& _rData, const css::uno::Reference< css::inspection::XObjectInspectorUI >& _rxInspectorUI ) override; + virtual void SAL_CALL actuatingPropertyChanged( const OUString& _rActuatingPropertyName, const css::uno::Any& _rNewValue, const css::uno::Any& _rOldValue, const css::uno::Reference< css::inspection::XObjectInspectorUI >& _rxInspectorUI, sal_Bool _bFirstTimeInit ) override; + virtual sal_Bool SAL_CALL suspend( sal_Bool _bSuspend ) override; + + // XComponent + virtual void SAL_CALL disposing() override; + + // PropertyHandler + virtual css::uno::Sequence< css::beans::Property > + doDescribeSupportedProperties() const override; + virtual void onNewComponent() override; + + private: + /** classifies our component, in case it's a control model, by ClassId + + Note that UNO dialog controls are also classified, though they don't have the ClassId property + */ + void impl_classifyControlModel_throw(); + + bool isReportModel() const; + + /** const-version of ->getPropertyValue + */ + css::uno::Any impl_getPropertyValue_throw( const OUString& _rPropertyName ) const; + + // some property values are faked, and not used in the way they're provided by our component + void impl_normalizePropertyValue_nothrow( css::uno::Any& _rValue, PropertyId _nPropId ) const; + + /** determines whether we should exclude a given property from our "supported properties" + */ + bool impl_shouldExcludeProperty_nothrow( const css::beans::Property& _rProperty ) const; + + /** initializes the list of field names, if we're handling a control which supports the + DataField property + */ + void impl_initFieldList_nothrow( std::vector< OUString >& rFieldNames ) const; + + /** obtains the RowSet to which our component belongs + + If the component is a RowSet itself, it's returned directly. Else, the parent + is examined for the XRowSet interface. If the parent is no XRowSet, then + a check is made whether our component is a grid control column, and if so, + the parent of the grid control is examined for the XRowSet interface. + + Normally, at least one of those methods should succeed. + */ + css::uno::Reference< css::sdbc::XRowSet > impl_getRowSet_throw( ) const; + + /** nothrow-version of ->impl_getRowSet_throw + */ + css::uno::Reference< css::sdbc::XRowSet > impl_getRowSet_nothrow( ) const; + + /** connects the row set belonging to our introspected data aware form component, + and remembers the connection in ->m_xRowSetConnection. + + If the row set already is connected, ->m_xRowSetConnection will be set, too, but + not take the ownership of the connection. + + If ->m_xRowSetConnection is already set, nothing happens, so if you want to + force creation of a connection, you need to clear ->m_xRowSetConnection. + */ + bool impl_ensureRowsetConnection_nothrow() const; + + /** fills an ->LineDescriptor with information to represent a cursor source + of our form - that is, a table, a query, or an SQL statement. + + As an example, if our form has currently a CommandType of TABLE, then the + value list in the LineDescriptor will contain a list of all tables + of the data source which the form is bound to. + + @seealso impl_fillTableNames_throw + @seealso impl_fillQueryNames_throw + */ + void impl_describeCursorSource_nothrow( + css::inspection::LineDescriptor& _out_rProperty, + const css::uno::Reference< css::inspection::XPropertyControlFactory >& _rxControlFactory + ) const; + + /** describes the UI for selecting a table name + + @precond + m_xRowSetConnection is not <NULL/> + */ + void impl_fillTableNames_throw( std::vector< OUString >& _out_rNames ) const; + + /** describes the UI for selecting a query name + + @precond + m_xRowSetConnection is not <NULL/> + */ + void impl_fillQueryNames_throw( std::vector< OUString >& _out_rNames ) const; + + /** describes the UI for selecting a query name + + @precond + m_xRowSetConnection is not <NULL/> + */ + void impl_fillQueryNames_throw( const css::uno::Reference< css::container::XNameAccess >& _xQueryNames + ,std::vector< OUString >& _out_rNames + ,std::u16string_view _sName = std::u16string_view() ) const; + + /** describes the UI for selecting a ListSource (for list-like form controls) + @precond + ->m_xRowSetConnection is not <NULL/> + @precond + ->m_xComponent is not <NULL/> + */ + void impl_describeListSourceUI_throw( + css::inspection::LineDescriptor& _out_rDescriptor, + const css::uno::Reference< css::inspection::XPropertyControlFactory >& _rxControlFactory + ) const; + + /** displays a database-related error to the user + */ + void impl_displaySQLError_nothrow( const ::dbtools::SQLExceptionInfo& _rErrorDescriptor ) const; + + /** let's the user chose a selection of entries from a string list, and stores this + selection in the given property + @return + <TRUE/> if and only if the user successfully changed the property + */ + bool impl_dialogListSelection_nothrow( const OUString& _rProperty, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** executes a dialog for choosing a filter or sort criterion for a database form + @param _bFilter + <TRUE/> if the Filter property should be used, <FALSE/> if it's the Order + property + @param _out_rSelectedClause + the filter or order clause as chosen by the user + @precond + we're really inspecting a database form (well, a RowSet at least) + @return + <TRUE/> if and only if the user successfully chose a clause + */ + bool impl_dialogFilterOrSort_nothrow( bool _bFilter, OUString& _out_rSelectedClause, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** executes a dialog which allows the user to choose the columns linking + a sub to a master form, and sets the respective MasterFields / SlaveFields + properties at the form. + @precond + we're inspecting (sub) database form + @return + <TRUE/> if and only if the user successfully enter master and slave fields + */ + bool impl_dialogLinkedFormFields_nothrow( ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** executes a dialog which allows the user to modify the FormatKey + property of our component, by choosing a (number) format. + @precond + Our component actually has a FormatKey property. + @param _out_rNewValue + the new property value, if the user chose a new formatting + @return + <TRUE/> if and only if a new formatting has been chosen by the user. + In this case, ->_out_rNewValue is filled with the new property value + */ + bool impl_dialogFormatting_nothrow( css::uno::Any& _out_rNewValue, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** executes a dialog which allows to the user to change the ImageURL property + of our component by browsing for an image file. + @precond + our component actually has an ImageURL property + @param _out_rNewValue + the new property value, if the user chose a new image url + @return + <TRUE/> if and only if a new image URL has been chosen by the user. + In this case, ->_out_rNewValue is filled with the new property value + */ + bool impl_browseForImage_nothrow( css::uno::Any& _out_rNewValue, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** executes a dialog which allows the user to change the TargetURL property of + our component + @precond + our component actually has a TargetURL property + @param _out_rNewValue + the new property value, if the user chose a new TargetURL + @return + <TRUE/> if and only if a new TargetURL has been chosen by the user. + In this case, ->_out_rNewValue is filled with the new property value + */ + bool impl_browseForTargetURL_nothrow( css::uno::Any& _out_rNewValue, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** executes a dialog which allows the user to change the font, plus related properties, + of our component + @precond + our component actually has a Font property + @param _out_rNewValue + a value describing the new font, as <code>Sequence< NamedValue ></code> + @return + <TRUE/> if and only if the user successfully changed the font of our component + */ + bool impl_executeFontDialog_nothrow( css::uno::Any& _out_rNewValue, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** allows the user browsing for a database document + @precond + our component actually has a DataSource property + @param _out_rNewValue + the new property value, if the user chose a new DataSource + @return + <TRUE/> if and only if a new DataSource has been chosen by the user. + In this case, ->_out_rNewValue is filled with the new property value + */ + bool impl_browseForDatabaseDocument_throw( css::uno::Any& _out_rNewValue, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** raises a dialog which allows the user to choose a color + @param _nColorPropertyId + the ID of the color property + @param _out_rNewValue + the chosen color value + @return + <TRUE/> if and only if a color was chosen by the user + */ + bool impl_dialogColorChooser_throw( sal_Int32 _nColorPropertyId, css::uno::Any& _out_rNewValue, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** raises a dialog which allows the user to choose a label control for our component + @param _out_rNewValue + the chosen label control, if any + @return + <TRUE/> if and only if a label control was chosen by the user + */ + bool impl_dialogChooseLabelControl_nothrow( css::uno::Any& _out_rNewValue, ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** raises a dialog which lets the user chose the tab order of controls of a form + @precond + we have a view control container in which our controls live + @return + <TRUE/> if and only if the user successfully changed the tab order + @seealso impl_getContextControlContainer_nothrow + */ + bool impl_dialogChangeTabOrder_nothrow( ::osl::ClearableMutexGuard& _rClearBeforeDialog ) const; + + /** retrieves the context for controls, whose model(s) we're inspecting + + If we're inspecting a control model, this is usually part of a set of controls + and control models, where the controls live in a certain context (a ->XControlContainer). + If we know this context, we can enable additional special functionality. + + The ->XComponentContext in which we were created is examined for a value + named "ControlContext", and this value is returned. + */ + css::uno::Reference< css::awt::XControlContainer > + impl_getContextControlContainer_nothrow() const; + + /** opens a query design window for interactively designing the SQL command of a + database form + @param _rxUIUpdate + access to the property browser UI + @param _nDesignForProperty + the ID for the property for which the designer is opened + @return + <TRUE/> if the window was successfully opened, or was previously open, + <FALSE/> otherwise + */ + bool impl_doDesignSQLCommand_nothrow( + const css::uno::Reference< css::inspection::XObjectInspectorUI >& _rxInspectorUI, + PropertyId _nDesignForProperty + ); + + /** updates a property (UI) whose state depends on more than one other property + + ->actuatingPropertyChanged is called for certain properties in whose changes + we expressed interes (->getActuatingProperty). Now such a property change can + result in simple UI updates, for instance another property being enabled or disabled. + + However, it can also result in a more complex change: The current (UI) state might + depend on the value of more than one other property. Those dependent properties (their + UI, more precisely) are updated in this method. + + @param _nPropid + the ->PropertyId of the dependent property whose UI state is to be updated + + @param _rxInspectorUI + provides access to the property browser UI. Must not be <NULL/>. + */ + void impl_updateDependentProperty_nothrow( PropertyId _nPropId, const css::uno::Reference< css::inspection::XObjectInspectorUI >& _rxInspectorUI ) const; + + /** determines whether the given form has a valid data source signature. + + Valid here means that the DataSource property denotes an existing data source, and the + Command property is not empty. No check is made whether the value of the Command property + denotes an existent object, since this would be way too expensive. + + @param _xFormProperties + the form to check. Must not be <NULL/>. + @param _bAllowEmptyDataSourceName + determine whether an empty data source name is allowed (<TRUE/>), and should not + lead to rejection + */ + static bool impl_hasValidDataSourceSignature_nothrow( + const css::uno::Reference< css::beans::XPropertySet >& _xFormProperties, + bool _bAllowEmptyDataSourceName ); + + /** returns the URL of our context document + @return + */ + OUString impl_getDocumentURL_nothrow() const; + + private: + DECL_LINK( OnDesignerClosed, SQLCommandDesigner&, void ); + + private: + FormComponentPropertyHandler( const FormComponentPropertyHandler& ) = delete; + FormComponentPropertyHandler& operator=( const FormComponentPropertyHandler& ) = delete; + + private: + using ::comphelper::OPropertyContainer::addPropertyChangeListener; + using ::comphelper::OPropertyContainer::removePropertyChangeListener; + }; + + +} // namespace pcr + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |