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Diffstat (limited to 'xmloff/source/forms/elementexport.hxx')
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diff --git a/xmloff/source/forms/elementexport.hxx b/xmloff/source/forms/elementexport.hxx new file mode 100644 index 000000000..13e1b52d2 --- /dev/null +++ b/xmloff/source/forms/elementexport.hxx @@ -0,0 +1,314 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_XMLOFF_SOURCE_FORMS_ELEMENTEXPORT_HXX +#define INCLUDED_XMLOFF_SOURCE_FORMS_ELEMENTEXPORT_HXX + +#include <sal/config.h> + +#include <memory> +#include <set> + +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/script/ScriptEventDescriptor.hpp> +#include <xmloff/xmlexp.hxx> +#include "propertyexport.hxx" +#include "callbacks.hxx" +#include "controlelement.hxx" +#include "valueproperties.hxx" + +class SvXMLElementExport; +namespace xmloff +{ + + //= OElementExport + class OElementExport : public OPropertyExport + { + protected: + css::uno::Sequence< css::script::ScriptEventDescriptor > + m_aEvents; + + std::unique_ptr<SvXMLElementExport> m_pXMLElement; // XML element doing the concrete startElement etc. + + public: + OElementExport(IFormsExportContext& _rContext, + const css::uno::Reference< css::beans::XPropertySet >& _rxProps, + const css::uno::Sequence< css::script::ScriptEventDescriptor >& _rEvents); + virtual ~OElementExport(); + + void doExport(); + + protected: + /// get the name of the XML element + virtual const char* getXMLElementName() const = 0; + /// examine the element we're exporting + virtual void examine(); + /// export the attributes + virtual void exportAttributes(); + /// export any sub tags + virtual void exportSubTags(); + + /** exports the events (as script:events tag) + */ + void exportEvents(); + + /** add the service-name attribute to the export context + */ + virtual void exportServiceNameAttribute(); + + /// start the XML element + virtual void implStartElement(const char* _pName); + + /// ends the XML element + virtual void implEndElement(); + }; + + //= OControlExport + /** Helper class for handling xml elements representing a form control + */ + class OControlExport + :public OControlElement + ,public OValuePropertiesMetaData + ,public OElementExport + { + protected: + typedef std::set<sal_Int16> Int16Set; + // used below + + OUString m_sControlId; // the control id to use when exporting + OUString m_sReferringControls; // list of referring controls (i.e. their id's) + sal_Int16 m_nClassId; // class id of the control we're representing + ElementType m_eType; // (XML) type of the control we're representing + CCAFlags m_nIncludeCommon; // common control attributes to include + DAFlags m_nIncludeDatabase; // common database attributes to include + SCAFlags m_nIncludeSpecial; // special attributes to include + EAFlags m_nIncludeEvents; // events to include + BAFlags m_nIncludeBindings; // binding attributes to include + + std::unique_ptr<SvXMLElementExport> m_pOuterElement; // XML element doing the concrete startElement etc. for the outer element + + public: + /** constructs an object capable of exporting controls + + <p>You need at least two pre-requisites from outside: The control to be exported needs to have a class id + assigned, and you need the list control-ids of all the controls referring to this one as LabelControl.<br/> + This information can't be collected when known only the control itself and not it's complete context.</p> + + @param _rControlId + the control id to use when exporting the control + @param _rReferringControls + the comma-separated list of control-ids of all the controls referring to this one as LabelControl + */ + OControlExport(IFormsExportContext& _rContext, + const css::uno::Reference< css::beans::XPropertySet >& _rxControl, + const OUString& _rControlId, + const OUString& _rReferringControls, + const css::uno::Sequence< css::script::ScriptEventDescriptor >& _rxEvents); + + protected: + /// start the XML element + virtual void implStartElement(const char* _pName) override; + + /// ends the XML element + virtual void implEndElement() override; + + /// get the name of the outer XML element + virtual const char* getOuterXMLElementName() const; + + // get the name of the XML element + virtual const char* getXMLElementName() const override; + + /** examine the control. Some kind of CtorImpl. + */ + virtual void examine() override; + + /// exports the attributes for the outer element + void exportOuterAttributes(); + + /// exports the attributes for the inner element + void exportInnerAttributes(); + + /// export the attributes + virtual void exportAttributes() override; + + /** writes everything which needs to be represented as sub tag + */ + void exportSubTags() override; + + /** adds the attributes which are handled via generic IPropertyHandlers + + <p>In the future, this really should be *all* attributes, instead of this shitload of + hand-crafted code we have currently...</p> + */ + void exportGenericHandlerAttributes(); + + /** adds common control attributes to the XMLExport context given + + <p>The attribute list of the context is not cleared initially, this is the responsibility of the caller.</p> + */ + void exportCommonControlAttributes(); + + /** adds database attributes to the XMLExport context given + + <p>The attribute list of the context is not cleared initially, this is the responsibility of the caller.</p> + */ + void exportDatabaseAttributes(); + + /** adds the XML attributes which are related to binding controls to + external values and/or list sources + */ + void exportBindingAttributes(); + + /** adds attributes which are special to a control type to the export context's attribute list + */ + void exportSpecialAttributes(); + + /** exports the ListSource property of a control as attribute + + The ListSource property may be exported in different ways: For a ComboBox, it is an attribute + of the form:combobox element. + + For a ListBox, it's an attribute if the ListSourceType states that the ListBox does <em>not</em> + display a value list. In case of a value list, the ListSource is not exported, and the pairs of + StringItem/ValueItem are exported as sub-elements. + + This method does the attribute part: It exports the ListSource property as attribute, not caring + about whether the object is a ComboBox or a ListBox. + */ + void exportListSourceAsAttribute(); + + /** exports the ListSource property of a control as XML elements + + @see exportListSourceAsAttribute + */ + void exportListSourceAsElements(); + + /** gets a Sequence< sal_Int16 > property value as set of sal_Int16's + @param _rPropertyName + the property name to use + @param _rOut + out parameter. The set of integers. + */ + void getSequenceInt16PropertyAsSet(const OUString& _rPropertyName, Int16Set& _rOut); + + /** exports the attribute which descrives a cell value binding of a control + in a spreadsheet document + */ + void exportCellBindingAttributes( bool _bIncludeListLinkageType ); + + /** exports the attribute(s) which bind this control to XForms */ + void exportXFormsBindAttributes(); + + /** exports the attribute(s) which bind the list of a list + control to XForms */ + void exportXFormsListAttributes(); + + /** exports the attribute(s) for an XForms submission */ + void exportXFormsSubmissionAttributes(); + + /** exports the attribute which descrives a cell range which acts as list source for + a list-like control + */ + void exportCellListSourceRange( ); + + /** exports the attribute(s) for the ImagePosition property + */ + void exportImagePositionAttributes(); + + /** determines whether the control we're exporting has an active data binding. + + Bindings which count here are: + <ul><li>an established connection to a database field</li> + <li>a binding to an external value supplier (<type scope="css::form::binding">XValueBinding</type>)</li> + </ul> + */ + bool controlHasActiveDataBinding() const; + + /** retrieves the string specifying the ListSource of a list or combo box + */ + OUString getScalarListSourceValue() const; + + /** determines whether the list entries (of a combo or list box) are supplied by the user + + List entries may be + <ul><li>specified by the user</li> + <li>specified by an external list source (<type scope="css::form::binding">XListEntrySource</type>)</li> + <li>obtained from a database query (in various ways)</li> + </ul> + + In the latter two cases, this method will return <FALSE/> + */ + bool controlHasUserSuppliedListEntries() const; + }; + + //= OColumnExport + /** Helper class for exporting a grid column + */ + class OColumnExport : public OControlExport + { + public: + /** ctor + @see OColumnExport::OColumnExport + */ + OColumnExport(IFormsExportContext& _rContext, + const css::uno::Reference< css::beans::XPropertySet >& _rxControl, + const OUString& _rControlId, + const css::uno::Sequence< css::script::ScriptEventDescriptor >& _rxEvents); + + virtual ~OColumnExport() override; + + protected: + // OControlExport overridables + virtual const char* getOuterXMLElementName() const override; + virtual void exportServiceNameAttribute() override; + virtual void exportAttributes() override; + + // OElementExport overridables + virtual void examine() override; + }; + + //= OFormExport + /** Helper class for handling xml elements representing a form + + <p>In opposite to the class <type>OControlExport</type>, OFormExport is unable to export a <em>complete</em> + form. Instead the client has to care for sub elements of the form itself.</p> + */ + class OFormExport + :public OControlElement + ,public OElementExport + { + bool m_bCreateConnectionResourceElement; + public: + /** constructs an object capable of exporting controls + */ + OFormExport(IFormsExportContext& _rContext, + const css::uno::Reference< css::beans::XPropertySet >& _rxForm, + const css::uno::Sequence< css::script::ScriptEventDescriptor >& _rxEvents + ); + + protected: + virtual const char* getXMLElementName() const override; + virtual void exportSubTags() override; + virtual void exportAttributes() override; + }; +} // namespace xmloff + +#endif // INCLUDED_XMLOFF_SOURCE_FORMS_ELEMENTEXPORT_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |