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286 lines
8.2 KiB
286 lines
8.2 KiB
/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* copyright (C) 2002-2006 *
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* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
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* *
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***************************************************************************/
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#ifndef UMLLISTVIEWITEM_H
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#define UMLLISTVIEWITEM_H
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#include <tqlistview.h>
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#include <tqmap.h>
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#include <tqdom.h>
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#include "umlnamespace.h"
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// forward declarations
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class UMLListView;
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class UMLObject;
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class UMLClassifierListItem;
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/**
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* Items used by the class @ref UMLListView. This is needed as the type
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* and object information is required to be stored.
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*
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* @short Items used by @ref UMLListView.
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* @author Paul Hensgen <phensgen@techie.com>
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* @see UMLListView
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* Bugs and comments to uml-devel@lists.sf.net or http://bugs.trinitydesktop.org
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*/
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class UMLListViewItem : public TQListViewItem {
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public:
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/**
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* Sets up an instance.
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*
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* @param parent The parent to this instance.
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* @param name The name of this instance.
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* @param t The type of this instance.
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* @param o The object it represents.
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*/
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UMLListViewItem(UMLListView * parent, const TQString &name, Uml::ListView_Type t, UMLObject*o=0);
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/**
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* Sets up an instance for subsequent loadFromXMI().
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*
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* @param parent The parent to this instance.
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*/
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UMLListViewItem(UMLListView * parent);
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/**
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* Sets up an instance for subsequent loadFromXMI().
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*
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* @param parent The parent to this instance.
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*/
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UMLListViewItem(UMLListViewItem * parent);
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/**
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* Sets up an instance.
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*
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* @param parent The parent to this instance.
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* @param name The name of this instance.
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* @param t The type of this instance.
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* @param o The object it represents.
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*/
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UMLListViewItem(UMLListViewItem * parent, const TQString &name, Uml::ListView_Type t, UMLObject*o=0);
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/**
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* Sets up an instance.
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*
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* @param parent The parent to this instance.
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* @param name The name of this instance.
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* @param t The type of this instance.
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* @param id The id of this instance.
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*/
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UMLListViewItem(UMLListViewItem * parent, const TQString &name, Uml::ListView_Type t, Uml::IDType id);
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/**
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* Standard deconstructor.
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*/
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~UMLListViewItem();
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/**
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* Returns the type this instance represents.
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*
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* @return The type this instance represents.
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*/
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Uml::ListView_Type getType() const;
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/**
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* Sets the id this class represents.
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* This only sets the ID locally, not at the UMLObject that is perhaps
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* associated to this UMLListViewItem.
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*
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* @return The id this class represents.
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*/
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void setID(Uml::IDType id);
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/**
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* Returns the id this class represents.
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*
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* @return The id this class represents.
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*/
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Uml::IDType getID() const;
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/**
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* Set the UMLObject associated with this instance.
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*
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* @param obj The object this class represents.
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*/
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void setUMLObject(UMLObject * obj) {
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m_pObject = obj;
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}
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/**
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* Return the UMLObject associated with this instance.
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*
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* @return The object this class represents.
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*/
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UMLObject * getUMLObject() {
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return m_pObject;
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}
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/**
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* Returns true if the UMLListViewItem of the given ID is a parent of
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* this UMLListViewItem.
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*/
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bool isOwnParent(Uml::IDType listViewItemID);
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/**
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* Updates the representation of the object.
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*/
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void updateObject();
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/**
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* Updates the icon on a folder.
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*/
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void updateFolder();
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/**
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* Overrides default method.
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* Will call default method but also makes sure correct icon is shown.
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*/
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void setOpen( bool open );
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/**
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* Changes the current text and updates the tooltip.
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*/
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void setText( const TQString &text );
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/**
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* Returns the current text.
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*/
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TQString getText() const;
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/**
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* Sets if the item is in the middle of being created.
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*/
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void setCreating( bool creating ) {
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m_bCreating = creating;
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}
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/**
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* Set the pixmap corresponding to the given Icon_Type.
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*/
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void setIcon(Uml::Icon_Type iconType);
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/**
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* Overrides default method to make public.
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*/
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void cancelRename( int col );
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/**
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* Adds the child listview item representing the given UMLClassifierListItem.
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*/
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void addClassifierListItem(UMLClassifierListItem *child, UMLListViewItem *childItem);
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/**
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* Deletes the child listview item representing the given UMLClassifierListItem.
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*/
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void deleteChildItem(UMLClassifierListItem *child);
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/**
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* Overrides the default sorting to sort by item type.
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*/
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virtual int compare(TQListViewItem *other, int col, bool ascending) const;
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/**
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* Returns the number of children of the UMLListViewItem
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* containing this object
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*/
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int childCount() const {
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return m_nChildren;
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}
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/**
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* Create a deep copy of this UMLListViewItem, but using the
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* given parent instead of the parent of this UMLListViewItem.
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* Return the new UMLListViewItem created.
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*/
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UMLListViewItem* deepCopy(UMLListViewItem *newParent);
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/**
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* Find the UMLListViewItem that is related to the given UMLObject
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* in the tree rooted at the current UMLListViewItem.
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* Return a pointer to the item or NULL if not found.
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*/
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UMLListViewItem* findUMLObject(const UMLObject *o);
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/**
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* Find the UMLListViewItem that represents the given UMLClassifierListItem
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* in the children of the current UMLListViewItem. (Only makes sense if
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* the current UMLListViewItem represents a UMLClassifier.)
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* Return a pointer to the item or NULL if not found.
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*/
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UMLListViewItem* findChildObject(UMLClassifierListItem *cli);
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/**
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* Find the UMLListViewItem of the given ID in the tree rooted at
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* the current UMLListViewItem.
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* Return a pointer to the item or NULL if not found.
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*
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* @param id The ID to search for.
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* @return The item with the given ID or NULL if not found.
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*/
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UMLListViewItem * findItem(Uml::IDType id);
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/**
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* saves the listview item to a "listitem" tag
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*/
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void saveToXMI( TQDomDocument& qDoc, TQDomElement& qElement);
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/**
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* Loads a "listitem" tag, this is only used by the clipboard currently
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*/
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bool loadFromXMI(TQDomElement& qElement);
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protected:
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/**
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* Initializes key variables of the class.
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*/
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void init(UMLListView * parent = 0);
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/**
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* This function is called if the user presses Enter during in-place renaming
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* of the item in column col, reimplemented from QlistViewItem
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*/
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void okRename( int col );
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/**
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* Auxiliary method for okRename().
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*/
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void cancelRenameWithMsg();
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/**
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* This list view all the instance of this class are displayed on.
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*/
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static UMLListView * s_pListView;
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/**
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* Flag used to set the state of creating.
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*/
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bool m_bCreating;
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/**
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* Auxiliary map of child UMLLisViewItems keyed by UMLClassifierListItem.
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* Used by findChildObject() for efficiency instead of looping using
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* firstChild()/nextSibling() because the latter incur enforceItemVisible()
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* and thus expensive sorting.
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*/
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typedef TQMap<UMLClassifierListItem*, UMLListViewItem*> ChildObjectMap;
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Uml::ListView_Type m_Type;
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Uml::IDType m_nId;
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int m_nChildren;
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UMLObject * m_pObject;
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TQString m_Label;
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ChildObjectMap m_comap;
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};
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#endif
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