// $Id: chapter.cpp 1282 2006-06-09 09:46:49Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are 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 General Public License for more details. You should have received a copy of the GNU General Public License along with Xara LX (see the file GPL in the root directory of the distribution); if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ADDITIONAL RIGHTS ----------------- Conditional upon your continuing compliance with the GNU General Public License described above, Xara Group Ltd grants to you certain additional rights. The additional rights are to use, modify, and distribute the software together with the wxWidgets library, the wxXtra library, and the "CDraw" library and any other such library that any version of Xara LX relased by Xara Group Ltd requires in order to compile and execute, including the static linking of that library to XaraLX. In the case of the "CDraw" library, you may satisfy obligation under the GNU General Public License to provide source code by providing a binary copy of the library concerned and a copy of the license accompanying it. Nothing in this section restricts any of the rights you have under the GNU General Public License. SCOPE OF LICENSE ---------------- This license applies to this program (XaraLX) and its constituent source files only, and does not necessarily apply to other Xara products which may in part share the same code base, and are subject to their own licensing terms. This license does not apply to files in the wxXtra directory, which are built into a separate library, and are subject to the wxWindows license contained within that directory in the file "WXXTRA-LICENSE". This license does not apply to the binary libraries (if any) within the "libs" directory, which are subject to a separate license contained within that directory in the file "LIBS-LICENSE". ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS ---------------------------------------------- Subject to the terms of the GNU Public License (see above), you are free to do whatever you like with your modifications. However, you may (at your option) wish contribute them to Xara's source tree. You can find details of how to do this at: http://www.xaraxtreme.org/developers/ Prior to contributing your modifications, you will need to complete our contributor agreement. This can be found at: http://www.xaraxtreme.org/developers/contribute/ Please note that Xara will not accept modifications which modify any of the text between the start and end of this header (marked XARAHEADERSTART and XARAHEADEREND). MARKS ----- Xara, Xara LX, Xara X, Xara X/Xtreme, Xara Xtreme, the Xtreme and Xara designs are registered or unregistered trademarks, design-marks, and/or service marks of Xara Group Ltd. All rights in these marks are reserved. Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // NodeRenderableChapter class #include "camtypes.h" #include "chapter.h" //#include "simon.h" //#include "mario.h" //#include "tim.h" //#include "ensure.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "spread.h" - in camtypes.h [AUTOMATICALLY REMOVED] #include "cxftags.h" //#include "cxfdefs.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "cxfrec.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "camfiltr.h" - in camtypes.h [AUTOMATICALLY REMOVED] CC_IMPLEMENT_DYNAMIC(Chapter, NodeRenderablePaper) /********************************************************************************************* > Chapter::Chapter() Author: Simon_Maneggio (Xara Group Ltd) Created: 13/5/93 Inputs: - Outputs: Returns: - Purpose: This constructor creates a Chapter linked to no other nodes, with all status flags false, and NULL bounding and pasteboard rectangles. Errors: **********************************************************************************************/ Chapter::Chapter(): NodeRenderablePaper() { FoldLineXCoord = 0; ShowFoldLine = FALSE; } /*********************************************************************************************** > Chapter::Chapter ( Node* ContextNode, AttachNodeDirection Direction, MILLIPOINT FldLineXCoord, BOOL Locked = FALSE, BOOL Mangled = FALSE, BOOL Marked = FALSE, BOOL Selected = FALSE, ) Author: Simon_Maneggio (Xara Group Ltd) Created: 26/4/93 Inputs: ContextNode: Pointer to a node which this node is to be attached to. Direction: Specifies the direction in which this node is to be attached to the ContextNode. The values this variable can take are as follows: PREV : Attach node as a previous sibling of the context node NEXT : Attach node as a next sibling of the context node FIRSTCHILD: Attach node as the first child of the context node LASTCHILD : Attach node as a last child of the context node FldLineXCoord: X Coordinate of the main fold line for the spreads in the chapter The remaining inputs specify the status of the node: Locked: Is node locked ? Mangled: Is node mangled ? Marked: Is node marked ? Selected: Is node selected ? Outputs: - Returns: - Purpose: This method initialises the node and links it to ContextNode in the direction specified by Direction. All neccesary tree links are updated. Errors: An assertion error will occur if ContextNode is NULL ***********************************************************************************************/ Chapter::Chapter(Node* ContextNode, AttachNodeDirection Direction, MILLIPOINT FldLineXCoord, BOOL Locked, BOOL Mangled, BOOL Marked, BOOL Selected ): NodeRenderablePaper(ContextNode, Direction, Locked, Mangled, Marked, Selected) { FoldLineXCoord = FldLineXCoord; ShowFoldLine = TRUE; } /******************************************************************************************** > virtual String Chapter::Describe(BOOL Plural, BOOL Verbose = TRUE) Author: Simon_Maneggio (Xara Group Ltd) Created: 21/6/93 Inputs: Plural: Flag indicating if the string description should be plural or singular. Outputs: - Returns: Description of the object Purpose: To return a description of the Node object in either the singular or the plural. This method is called by the DescribeRange method. The description will always begin with a lower case letter. Errors: A resource exception will be thrown if a problem occurs when loading the string resource. SeeAlso: - ********************************************************************************************/ /* Technical Notes: The String resource identifiers should be of the form: ID__DescriptionS for the singular description and ID__DescriptionP for the plural. */ String Chapter::Describe(BOOL Plural, BOOL Verbose) { if (Plural) return(String(_R(IDS_CHAPTER_DESCRP))); else return(String(_R(IDS_CHAPTER_DESCRS))); }; /*********************************************************************************************** > Chapter* Chapter::FindPreviousChapter() Author: Justin_Flude (Xara Group Ltd) Created: 16/5/93 Inputs: - Outputs: - Returns: The previous sibling chapter or NULL if there are no more chapters Purpose: For finding the previous sibling chapter Errors: - SeeAlso: - ***********************************************************************************************/ Chapter* Chapter::FindPreviousChapter() { Node* CurrentNode = FindPrevious(); while (CurrentNode != 0) { if (CurrentNode->IsChapter()) return (Chapter*) CurrentNode; CurrentNode = CurrentNode->FindPrevious(); } return 0; // No chapter found } /*********************************************************************************************** > void Chapter::Render( RenderRegion* ) Author: Simon_Maneggio (Xara Group Ltd) Created: 16/5/93 ***********************************************************************************************/ void Chapter::Render( RenderRegion* ) { } /*********************************************************************************************** > Spread* Chapter::FindFirstSpread() Author: Justin_Flude (Xara Group Ltd) Created: 11/8/94 Inputs: - Outputs: - Returns: Returns the first spread in the chapter (or NULL if there are no spreads) Purpose: Returns the first spread which is an immediate child of the chapter Errors: - SeeAlso: - ***********************************************************************************************/ Spread* Chapter::FindFirstSpread() { Node* pNode = FindFirstChild(); while(pNode != 0 && !pNode->IsSpread()) pNode = pNode->FindNext(); return (Spread*) pNode; } /*********************************************************************************************** > void Chapter::SetFoldLineXCoord(MILLIPOINT value, BOOL DisplayFoldLine = TRUE) Author: Simon_Maneggio (Xara Group Ltd) Created: 11/5/93 Inputs: value: New value for the X coordinate of the chapters fold line DisplayFoldLine - TRUE if the fold line should be displayed FALSE to disable display of the fold line altogether Purpose: For setting the X coordinate of the chapters fold line, and enabling/disabling the display of the fold line (for single page spreads the fold line is disabled) Notes: The fold line is rendered in spread.cpp After setting this value, you'll need to redraw the document appropriately SeeAlso: Chapter::ShouldShowFoldLine; Chapter::GetFoldLineXCoord ***********************************************************************************************/ void Chapter::SetFoldLineXCoord(MILLIPOINT value, BOOL DisplayFoldLine) { FoldLineXCoord = value; ShowFoldLine = DisplayFoldLine; } /*********************************************************************************************** > BOOL Chapter::ShouldShowFoldLine(void) const Author: Jason_Williams (Xara Group Ltd) Created: 13/3/95 Returns: TRUE if the chapter fold line should be displayed FALSE if the chapter fold line should not be displayed Purpose: To determine if the chapter fold line is intended to be displayed SeeAlso: Chapter::SetFoldLineXCoord ***********************************************************************************************/ BOOL Chapter::ShouldShowFoldLine(void) const { return(ShowFoldLine); } /*********************************************************************************************** > MILLIPOINT Chapter::GetFoldLineXCoord() const Author: Simon_Maneggio (Xara Group Ltd) Created: 11/5/93 Inputs: - Outputs: - Returns: The value of the X coordinate of the chapters fold line Purpose: For finding the X coordinate of the chapters fold line Errors: - SeeAlso: - ***********************************************************************************************/ MILLIPOINT Chapter::GetFoldLineXCoord() const { return (FoldLineXCoord); } /*********************************************************************************************** > Node* Chapter::SimpleCopy() Author: Simon_Maneggio (Xara Group Ltd) Created: 28/4/93 Inputs: - Outputs: Returns: A copy of the node, or NULL if memory runs out Purpose: This method returns a shallow copy of the node with all Node pointers NULL. The function is virtual, and must be defined for all derived classes. Errors: If memory runs out when trying to copy, then ERROR is called with an out of memory error and the function returns NULL. Scope: protected **********************************************************************************************/ Node* Chapter::SimpleCopy() { Chapter* NodeCopy; NodeCopy = new Chapter(); ERRORIF(NodeCopy == NULL, _R(IDE_NOMORE_MEMORY), NULL); CopyNodeContents(NodeCopy); return (NodeCopy); } /*********************************************************************************************** > void Chapter::PolyCopyNodeContents(Chapter* pNodeCopy) Author: Phil_Martin (Xara Group Ltd) Created: 18/12/2003 Outputs: - Purpose: Polymorphically copies the contents of this node to another Errors: An assertion failure will occur if NodeCopy is NULL Scope: protected ***********************************************************************************************/ void Chapter::PolyCopyNodeContents(NodeRenderable* pNodeCopy) { ENSURE(pNodeCopy, "Trying to copy a node's contents into a NULL node"); ENSURE(IS_A(pNodeCopy, Chapter), "PolyCopyNodeContents given wrong dest node type"); if (IS_A(pNodeCopy, Chapter)) CopyNodeContents((Chapter*)pNodeCopy); } /*********************************************************************************************** > void Chapter::CopyNodeContents(Chapter* NodeCopy) Author: Simon_Maneggio (Xara Group Ltd) Created: 28/4/93 Inputs: Outputs: A copy of this node Returns: - Purpose: This method copies the node's contents to the node pointed to by NodeCopy. Errors: An assertion failure will occur if NodeCopy is NULL Scope: protected ***********************************************************************************************/ void Chapter::CopyNodeContents(Chapter* NodeCopy) { ENSURE(NodeCopy != NULL,"Trying to copy node contents to\na node pointed to by a NULL pointer"); NodeRenderablePaper::CopyNodeContents(NodeCopy); NodeCopy->FoldLineXCoord = FoldLineXCoord; } /******************************************************************************************** > XLONG Chapter::GetChapterDepth() Author: Tim_Browse (Xara Group Ltd) Created: 15/12/93 Returns: Depth of the Chapter Purpose: Find the depth of a chapter in logical coords. i.e. how far from the top of the document the top of the chapter's pasteboard is. ********************************************************************************************/ XLONG Chapter::GetChapterDepth() { XLONG Depth = 0; // Loop through document tree calculating the logical coordinate offset for the // current chapter // Chapter *pChapter = Node::FindFirstChapter(FindOwnerDoc()); Node* pNode = FindParent(); ERROR2IF(!(pNode->IsNodeDocument()), 0, "Parent of Chapter is not NodeDocument"); Chapter *pChapter = (Chapter*)pNode->FindFirstChild(CC_RUNTIME_CLASS(Chapter)); ENSURE(pChapter != NULL, "Couldn't find first chapter in Chapter::GetChapterDepth"); while ((pChapter != NULL) && (pChapter != this)) { ENSURE(pChapter->IsKindOf(CC_RUNTIME_CLASS(Chapter)), "Chapter's sibling is not a Chapter"); const DocRect ChapRect = pChapter->GetPasteboardRect(); // Accumulate logical offset Depth += ChapRect.Height(); pChapter = (Chapter *) pChapter->FindNext(); } return Depth; } #ifdef _DEBUG void Chapter::ShowDebugTreeDetails() const { TRACE( _T("Chapter ") ); Node::ShowDebugTreeDetails(); } #endif /******************************************************************************************** > void* Chapter::GetDebugDetails(StringBase* Str) Author: Simon_Maneggio (Xara Group Ltd) Created: 21/9/93 Inputs: - Outputs: Str: String giving debug info about the node Returns: - Purpose: For obtaining debug information about the Node Errors: - SeeAlso: - ********************************************************************************************/ void Chapter::GetDebugDetails(StringBase* Str) { NodeRenderablePaper::GetDebugDetails(Str); String_256 TempStr; TempStr._MakeMsg(TEXT("\r\nFoldLine X Coord = #1%ld\r\n"), FoldLineXCoord); (*Str)+=TempStr; } /******************************************************************************************** > virtual UINT32 Chapter::GetNodeSize() const Author: Simon_Maneggio (Xara Group Ltd) Created: 6/10/93 Inputs: - Outputs: - Returns: The size of the node in bytes Purpose: For finding the size of the node SeeAlso: Node::GetSubtreeSize ********************************************************************************************/ UINT32 Chapter::GetNodeSize() const { return (sizeof(Chapter)); } /********************************************************************************************* > BOOL Chapter::IsChapter(void) const Author: Peter_Arnold (Xara Group Ltd) Created: 28/04/95 Returns: TRUE Purpose: For finding if a node is a chapter node. **********************************************************************************************/ BOOL Chapter::IsChapter() const { return TRUE; } /******************************************************************************************** > virtual BOOL Chapter::WritePreChildrenWeb(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 31/7/96 Inputs: pFilter = ptr to filter to write to Returns: TRUE if the node has written out a record to the filter FALSE otherwise Purpose: Web files don't write out a chapter records. This code assumes the document will only contain one chapter SeeAlso: CanWriteChildrenWeb(), WritePostChildrenWeb() ********************************************************************************************/ BOOL Chapter::WritePreChildrenWeb(BaseCamelotFilter* pFilter) { return FALSE; } /******************************************************************************************** > virtual BOOL Chapter::WritePreChildrenWeb(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 31/7/96 Inputs: pFilter = ptr to filter to write to Returns: TRUE if the node has written out a record to the filter FALSE otherwise Purpose: Writes out a chapter record. SeeAlso: CanWriteChildrenWeb(), WritePostChildrenWeb() ********************************************************************************************/ BOOL Chapter::WritePreChildrenNative(BaseCamelotFilter* pFilter) { #ifdef DO_EXPORT BOOL RecordWritten = FALSE; // Always write out the spread record in native files CXaraFileRecord Rec(TAG_CHAPTER,TAG_CHAPTER_SIZE); if (pFilter->Write(&Rec) != 0) RecordWritten = TRUE; else pFilter->GotError(_R(IDE_FILE_WRITE_ERROR)); return RecordWritten; #else return FALSE; #endif } /******************************************************************************************** > BOOL Chapter::WriteBeginChildRecordsWeb(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 1/8/96 Inputs: pFilter = ptr to the filter to write to Outputs: - Returns: TRUE ok, FALSE otherwise Purpose: Begins the child record sequence for chapter in the web format Web export doesn't write out chapter records, so this overrides the default behaviour in Node by ensuring the Down record does not get written SeeAlso: WritePreChildrenNative() ********************************************************************************************/ BOOL Chapter::WriteBeginChildRecordsWeb(BaseCamelotFilter* pFilter) { return TRUE; } /******************************************************************************************** > BOOL Chapter::WriteEndChildRecordsWeb(BaseCamelotFilter* pFilter) Author: Mark_Neves (Xara Group Ltd) Created: 1/8/96 Inputs: pFilter = ptr to the filter to write to Outputs: - Returns: TRUE ok, FALSE otherwise Purpose: Ends the child record sequence for chapter in the web format Web export doesn't write out chapter records, so this overrides the default behaviour in Node by ensuring the Up record does not get written SeeAlso: WritePreChildrenNative() ********************************************************************************************/ BOOL Chapter::WriteEndChildRecordsWeb(BaseCamelotFilter* pFilter) { return TRUE; } //------------------------------------------------------------------------- // Stubs put here in case they need implementing BOOL Chapter::WriteBeginChildRecordsNative(BaseCamelotFilter* pFilter) { return Node::WriteBeginChildRecordsNative(pFilter); } BOOL Chapter::WriteEndChildRecordsNative(BaseCamelotFilter* pFilter) { return Node::WriteEndChildRecordsNative(pFilter); }