Initial SwTextBoxHelper

Change-Id: I2674d72a2ba7bf49f102e09ed8435445c9687bb2

sw/inc/textboxhelper.hxx

+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_SW_INC_TEXTBOXHELPER_HXX
+#define INCLUDED_SW_INC_TEXTBOXHELPER_HXX
+
+#include <com/sun/star/uno/Any.h>
+#include <com/sun/star/uno/Type.h>
+
+class SwFrmFmt;
+
+/**
+ * A TextBox is a TextFrame, that is tied to a drawinglayer shape.
+ *
+ * This class provides helper methods to create, query and maintain such
+ * TextBoxes.
+ */
+class SwTextBoxHelper
+{
+public:
+    /// Create a TextBox for a shape.
+    static void create(SwFrmFmt* pShape);
+    /// Get XTextAppend of a shape's TextBox, if there is any.
+    static css::uno::Any getXTextAppend(SwFrmFmt* pShape, const css::uno::Type& rType);
+    /// Sync property of TextBox with the one of the shape.
+    static void syncProperty(SwFrmFmt* pShape, sal_uInt16 nWID, sal_uInt8 nMemberID, const OUString& rPropertyName, const css::uno::Any& rValue);
+};
+
+#endif // INCLUDED_SW_INC_TEXTBOXHELPER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sw/source/core/doc/textboxhelper.cxx

+/* -*- 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/.
+ */
+
+#include <textboxhelper.hxx>
+#include <frmfmt.hxx>
+#include <fmtcntnt.hxx>
+#include <doc.hxx>
+#include <docsh.hxx>
+#include <docary.hxx>
+#include <unocoll.hxx>
+#include <unoframe.hxx>
+#include <unotextbodyhf.hxx>
+#include <unotextrange.hxx>
+#include <unomid.h>
+
+#include <svx/svdoashp.hxx>
+#include <svx/unopage.hxx>
+
+#include <com/sun/star/table/BorderLine2.hpp>
+#include <com/sun/star/text/SizeType.hpp>
+#include <com/sun/star/text/XTextContent.hpp>
+#include <com/sun/star/text/XTextDocument.hpp>
+
+using namespace com::sun::star;
+
+void SwTextBoxHelper::create(SwFrmFmt* pShape)
+{
+    // If TextBox wasn't enabled previously
+    if (!pShape->GetAttrSet().HasItem(RES_CNTNT))
+    {
+        // Create the associated TextFrame and insert it into the document.
+        uno::Reference<text::XTextContent> xTextFrame(SwXServiceProvider::MakeInstance(SW_SERVICE_TYPE_TEXTFRAME, pShape->GetDoc()), uno::UNO_QUERY);
+        uno::Reference<text::XTextDocument> xTextDocument(pShape->GetDoc()->GetDocShell()->GetBaseModel(), uno::UNO_QUERY);
+        uno::Reference<text::XTextContentAppend> xTextContentAppend(xTextDocument->getText(), uno::UNO_QUERY);
+        xTextContentAppend->appendTextContent(xTextFrame, uno::Sequence<beans::PropertyValue>());
+
+        // Initialize properties.
+        uno::Reference<beans::XPropertySet> xPropertySet(xTextFrame, uno::UNO_QUERY);
+        uno::Any aEmptyBorder = uno::makeAny(table::BorderLine2());
+        xPropertySet->setPropertyValue("TopBorder", aEmptyBorder);
+        xPropertySet->setPropertyValue("BottomBorder", aEmptyBorder);
+        xPropertySet->setPropertyValue("LeftBorder", aEmptyBorder);
+        xPropertySet->setPropertyValue("RightBorder", aEmptyBorder);
+
+        xPropertySet->setPropertyValue("FillTransparence", uno::makeAny(sal_Int32(100)));
+
+        xPropertySet->setPropertyValue("SizeType", uno::makeAny(text::SizeType::FIX));
+
+        // Link its text range to the original shape.
+        uno::Reference<text::XTextRange> xTextBox(xTextFrame, uno::UNO_QUERY_THROW);
+        SwUnoInternalPaM aInternalPaM(*pShape->GetDoc());
+        if (sw::XTextRangeToSwPaM(aInternalPaM, xTextBox))
+        {
+            SwAttrSet aSet(pShape->GetAttrSet());
+            SwFmtCntnt aCntnt(aInternalPaM.GetNode()->StartOfSectionNode());
+            aSet.Put(aCntnt);
+            pShape->SetFmtAttr(aSet);
+        }
+    }
+}
+
+// If we have an associated TextFrame, then return that.
+SwFrmFmt* lcl_findTextBox(SwFrmFmt* pShape)
+{
+    SwFrmFmt* pRet = 0;
+
+    if (pShape->GetAttrSet().HasItem(RES_CNTNT))
+    {
+        const SwFmtCntnt& rCntnt = pShape->GetCntnt();
+        SwFrmFmts& rSpzFrmFmts = *pShape->GetDoc()->GetSpzFrmFmts();
+        for (SwFrmFmts::iterator it = rSpzFrmFmts.begin(); it != rSpzFrmFmts.end(); ++it)
+        {
+            SwFrmFmt* pFmt = *it;
+            if (pFmt->Which() == RES_FLYFRMFMT && pFmt->GetAttrSet().HasItem(RES_CNTNT) && pFmt->GetCntnt() == rCntnt)
+            {
+                pRet = pFmt;
+                break;
+            }
+        }
+    }
+
+    return pRet;
+}
+
+uno::Any SwTextBoxHelper::getXTextAppend(SwFrmFmt* pShape, const uno::Type& rType)
+{
+    uno::Any aRet;
+
+    if (rType == cppu::UnoType<css::text::XTextAppend>::get())
+    {
+        if (SwFrmFmt* pFmt = lcl_findTextBox(pShape))
+        {
+            uno::Reference<text::XTextAppend> xTextAppend(static_cast<cppu::OWeakObject*>(SwXFrames::GetObject(*pFmt, FLYCNTTYPE_FRM)), uno::UNO_QUERY);
+            aRet <<= xTextAppend;
+        }
+    }
+
+    return aRet;
+}
+
+void SwTextBoxHelper::syncProperty(SwFrmFmt* pShape, sal_uInt16 nWID, sal_uInt8 nMemberId, const OUString& rPropertyName, const css::uno::Any& rValue)
+{
+    uno::Any aValue(rValue);
+    nMemberId &= ~CONVERT_TWIPS;
+
+    if (SwFrmFmt* pFmt = lcl_findTextBox(pShape))
+    {
+        bool bSync = false;
+        bool bAdjustX = false;
+        bool bAdjustY = false;
+        bool bAdjustSize = false;
+        switch (nWID)
+        {
+        case RES_HORI_ORIENT:
+            switch (nMemberId)
+            {
+            case MID_HORIORIENT_ORIENT:
+            case MID_HORIORIENT_RELATION:
+                bSync = true;
+                break;
+            case MID_HORIORIENT_POSITION:
+                bSync = true;
+                bAdjustX = true;
+                break;
+            }
+            break;
+        case RES_VERT_ORIENT:
+            switch (nMemberId)
+            {
+            case MID_VERTORIENT_ORIENT:
+            case MID_VERTORIENT_RELATION:
+                bSync = true;
+                break;
+            case MID_VERTORIENT_POSITION:
+                bSync = true;
+                bAdjustY = true;
+                break;
+            }
+            break;
+        case RES_FRM_SIZE:
+            bSync = true;
+            bAdjustSize = true;
+            break;
+        }
+
+        if (bSync)
+        {
+            // Position/size should be the text position/size, not the shape one as-is.
+            if (bAdjustX || bAdjustY || bAdjustSize)
+            {
+                SdrObjCustomShape* pCustomShape = dynamic_cast<SdrObjCustomShape*>(pShape->FindRealSdrObject());
+                if (pCustomShape)
+                {
+                    Rectangle aRect;
+                    pCustomShape->GetTextBounds(aRect);
+
+                    if (bAdjustX || bAdjustY)
+                    {
+                        sal_Int32 nValue;
+                        if (aValue >>= nValue)
+                        {
+                            if (bAdjustX)
+                                nValue = TWIPS_TO_MM(aRect.getX());
+                            else if (bAdjustY)
+                                nValue = TWIPS_TO_MM(aRect.getY());
+                            aValue <<= nValue;
+                        }
+                    }
+                    else if (bAdjustSize)
+                    {
+                        awt::Size aSize(TWIPS_TO_MM(aRect.getWidth()), TWIPS_TO_MM(aRect.getHeight()));
+                        aValue <<= aSize;
+                    }
+                }
+            }
+
+            uno::Reference<beans::XPropertySet> xPropertySet(static_cast<cppu::OWeakObject*>(SwXFrames::GetObject(*pFmt, FLYCNTTYPE_FRM)), uno::UNO_QUERY);
+            xPropertySet->setPropertyValue(rPropertyName, aValue);
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */