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tdesdk/umbrello/umbrello/umllistviewitem.h

286 lines
8.2 KiB

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