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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _SCH_FUDRAW_HXX
+#define _SCH_FUDRAW_HXX
+
+#include "fupoor.hxx"
+namespace binfilter {
+
+/*************************************************************************
+|*
+|* Basisklasse fuer alle Drawmodul-spezifischen Funktionen
+|*
+\************************************************************************/
+
+class SdrObject;
+
+class SchFuDraw : public SchFuPoor
+{
+protected:
+    Pointer aNewPointer;
+    Pointer aOldPointer;
+    BOOL	bMBDown;
+
+    /** possible directions in which to select objects
+     */
+    enum lcl_Selection_Direction
+    {
+        lcl_SELECT_PREVIOUS,
+        lcl_SELECT_NEXT,
+        lcl_SELECT_FIRST,
+        lcl_SELECT_LAST
+    };
+
+    /** possible directions in which to move an object
+     */
+    enum lcl_Movement_Direction
+    {
+        lcl_MOVE_LEFT,
+        lcl_MOVE_RIGHT,
+        lcl_MOVE_UP,
+        lcl_MOVE_DOWN
+    };
+
+    /** marks the next/previous/first or last object in the current
+        group of chart objects.
+
+        @param eDirection determines in which direction to travel
+
+        @param nDepth is to prevent a loop in recursion.  When
+               selecting a new object, this may be invalid.  In this
+               case the method tries the next object.  If the last
+               object is reached without success, the first is
+               selected using a recursive call.  If no valid objects
+               are available at all this parameter avoids a loop
+               (which should normally never occur).
+
+        @param bEnterDiagram determines if during navigation the
+               diagram should be ignored as group and its content
+               rather be treated as top-level objects.  This parameter
+               is especially needed so that the diagram can still be
+               selected (without entering).
+
+        @returns TRUE, if an object could be marked
+     */
+
+    /** moves an object in one of the four directions given in
+        lcl_Movement_Direction.  This is only possible for top-level
+        chart objects, i.e., titles, legend and diagram
+
+        @param eDirection the direction in which to move.  If an
+               object is too close to the edge, the object is not
+               moved.
+
+        @param nAmount the amount of units to be moved about.  The
+               unit can be 100th of a mm or pixels depending on what
+               bPixel is set to.
+
+        @param bPixel If true, the amount nAmount is treated as pixels
+               in the current window, otherwise the current logical
+               unit is used, which in a chart is always 100th of a mm.
+
+        @returns TRUE, if the object could be moved
+     */
+
+    /** resizes an object by the amount given into the larger of width
+        and height.  In the smaller extent the amount is calculated
+        such that the resize is proportional.
+
+        @param nAmount the amount by which the object will be resized.
+               The amount will be added to the larger extent (width or
+               height).  The resize is proportional in the other
+               direction.
+
+        @param bPixel If true, the amount nAmount is treated as pixels
+               in the current window for the larger of width and
+               height.  Otherwise the current logical unit is used,
+               which in a chart is always 100th of a mm.
+
+        @returns TRUE, if the object could be resized
+     */
+
+    /** moves a pie segment by the given amount in percent
+
+        @param bOut if true increases the offset, otherwise decreases
+               the offset.  The offset stays always between 0 and 100.
+
+        @param nAmount the amount of percent by which the pie segment
+               is dragged.
+
+        @returns TRUE, if the object was a pie and could be moved
+     */
+
+    /** determines if the object currently selected is valid, i.e. it
+        may be selected in the UI for making changes.
+
+        @returns true, if a valid object is selected.
+     */
+
+    /** For some objects only the 8 green handles of the group are
+        shown, for others a special handling is required, e.g. bars in
+        a bar chart.  This is done here for the currently selected
+        object.
+     */
+
+    /** Some groups in a chart may not be entered, e.g. an axis
+        object.  Otherwise you would be able to select all tick-mark
+        objects or labels.
+
+        @returns true, if the currently selected object is a group
+                 that may be entered, e.g. a data series object.
+     */
+
+    /** get the object which is currently selected in the UI.  In the
+        chart this can only be one object at a time.
+     */
+
+    /** after move or resize there have to be some things set at chart
+        objects and the model.  It is called by MoveMarkedObject.
+     */
+
+public:
+
+    SchFuDraw(SchViewShell* pViewSh, SchWindow* pWin, SchView* pView,
+              ChartModel* pDoc, SfxRequest& rReq);
+    virtual ~SchFuDraw();
+
+
+    virtual void Activate();
+
+    virtual void ForcePointer(const MouseEvent* pMEvt = NULL);
+
+};
+
+} //namespace binfilter
+#endif	// _SCH_FUDRAW_HXX
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */