Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 311 insertions, 0 deletions

diff --git a/xmloff/source/forms/elementexport.hxx b/xmloff/source/forms/elementexport.hxx
new file mode 100644
index 000000000..deb9cfea6
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+++ b/xmloff/source/forms/elementexport.hxx
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+/* -*- 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 <sal/config.h>
+
+#include <memory>
+#include <o3tl/sorted_vector.hxx>
+
+#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 o3tl::sorted_vector<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&lt; sal_Int16 &gt; 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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */