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kmymoney/kmymoney2/widgets/kmymoneyaccounttreebase.h

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/***************************************************************************
kmymoneyaccounttreebase.h - description
-------------------
begin : Sat Jan 1 2005
copyright : (C) 2005 by Thomas Baumgart
email : Thomas Baumgart <ipwizard@users.sourceforge.net>
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef KMYMONEYACCOUNTTREEBASE_H
#define KMYMONEYACCOUNTTREEBASE_H
// ----------------------------------------------------------------------------
// QT Includes
#include <tqtimer.h>
class TQDragObject;
// ----------------------------------------------------------------------------
// KDE Includes
#include <klistview.h>
// ----------------------------------------------------------------------------
// Project Includes
#include <kmymoney/mymoneyaccount.h>
#include <kmymoney/mymoneyinstitution.h>
#include <kmymoney/mymoneyprice.h>
#include <kmymoney/mymoneysecurity.h>
#include <kmymoney/mymoneybudget.h>
class KMyMoneyAccountTreeBaseItem;
class KMyMoneyAccountTreeBase : public KListView
{
friend class KMyMoneyAccountTreeBaseItem;
Q_OBJECT
TQ_OBJECT
public:
KMyMoneyAccountTreeBase(TQWidget* tqparent = 0, const char *name = 0);
virtual ~KMyMoneyAccountTreeBase();
/**
* Modify the text shown in the header of the name column.
*
* @param txt the text to be used in the header
*/
void setSectionHeader(const TQString& txt);
/**
* overridden from base class implementation to return a pointer
* to a KMyMoneyAccountTreeBaseItem.
*
* @return pointer to currently selected item
*/
KMyMoneyAccountTreeBaseItem* selectedItem(void) const;
/**
*/
void setBaseCurrency(const MyMoneySecurity& currency) { m_baseCurrency = currency; };
const MyMoneySecurity& baseCurrency(void) const { return m_baseCurrency; };
void emitValueChanged(void) { emit valueChanged(); };
/**
* restores the tqlayout from the config file
* @param group the group to be used from the config file.
* At destruction time, we will use this group name to save
* the tqlayout.
*/
void restoreLayout(const TQString& group);
public slots:
/** autoscroll support */
void slotStartAutoScroll(void);
void slotStopAutoScroll(void);
void slotExpandAll(void);
void slotCollapseAll(void);
protected:
virtual bool acceptDrag (TQDropEvent* event) const;
virtual void startDrag(void);
const KMyMoneyAccountTreeBaseItem* findItem(const TQString& id) const;
/**
* This method checks, if account @p accFrom can be dropped onto
* account @p accTo.
*
* @param accFrom source account
* @param accTo new tqparent account for @p accFrom
* @retval true drop is ok
* @retval false drop is not ok (@p accTo cannot be tqparent of @p accFrom)
*/
bool dropAccountOnAccount(const MyMoneyAccount& accFrom, const MyMoneyAccount& accTo) const;
// virtual void contentsDropEvent(TQDropEvent*);
/**
* This member counts the connects to the signals
* newAccountParent(const MyMoneyAccount&, const MyMoneyAccount&)) and
* newAccountParent(const MyMoneyAccount&, const MyMoneyInstitution&))
* in m_accountConnections and m_institutionConnections.
*/
void connectNotify(const char *);
/**
* This member counts the disconnects from the signals
* newAccountParent(const MyMoneyAccount&, const MyMoneyAccount&)) and
* newAccountParent(const MyMoneyAccount&, const MyMoneyInstitution&))
* in m_accountConnections and m_institutionConnections.
*/
void disconnectNotify(const char *);
void contentsDragMoveEvent( TQDragMoveEvent *e );
/**
* Reimplemented for internal reasons.
* Further reimplementations should call this function or else
* some features may not work correctly.
*
* The API is unaffected.
*/
virtual void viewportPaintEvent(TQPaintEvent*);
void expandCollapseAll(bool expand);
void queueSort(void);
protected slots:
void slotObjectDropped(TQDropEvent* event, TQListViewItem* tqparent, TQListViewItem* after);
/**
* Select the object pointed to by @p i. This slot emits selectObject signals
* with an emtpy MyMoneyAccount and an empty MyMoneyInstitution object
* to deselect current selections. If @p i points to a KMyMoneyAccountTreeItem
* object, it emits selectObject() for this item.
*
* @param i pointer to TQListViewItem of object to be selected
*/
void slotSelectObject(TQListViewItem *i);
/**
* This slot is connected to the accout list view's contextMenu signal
* and checks if the item pointed to by @p i is either an account or institution
* and sends out the necessary signal openContextMenu.
*
* @param lv pointer to KListView
* @param i pointer to TQListViewItem
* @param p position information
*/
void slotOpenContextMenu(KListView* lv, TQListViewItem* i, const TQPoint& p);
/**
* This slot is connected to the accout list view's executed signal
* and checks if the item pointed to by @p i is either an account or institution
* and sends out the necessary signal openObject.
*
* @param i pointer to TQListViewItem
*/
void slotOpenObject(TQListViewItem* i);
void slotAutoScroll(void);
/** Open the folder pointed to by m_dropItem */
void slotOpenFolder(void);
/** override KListView implementation */
void cleanItemHighlighter(void);
void slotActivateSort(void);
private:
MyMoneySecurity m_baseCurrency;
bool m_accountConnections;
bool m_institutionConnections;
TQTimer m_autoopenTimer;
TQTimer m_autoscrollTimer;
int m_autoscrollTime;
int m_autoscrollAccel;
TQListViewItem* m_dropItem;
TQRect m_lastDropHighlighter;
int m_queuedSort;
int m_nameColumn;
int m_typeColumn;
int m_valueColumn;
int m_balanceColumn;
TQString m_configGroup;
public:
int typeColumn(void) const { return m_typeColumn; }
int nameColumn(void) const { return m_nameColumn; }
int balanceColumn(void) const { return m_balanceColumn; }
int valueColumn(void) const { return m_valueColumn; }
void showType(void);
void showValue(void);
signals:
/**
* This signal is emitted whenever an object in the view is selected
*
* @param obj reference to actual MyMoneyObject (is either
* MyMoneyAccount or MyMoneyInstitution depending on selected item)
*/
void selectObject(const MyMoneyObject& obj);
/**
* This signal is emitted whenever the user requests the context menu for an object
*
* @param obj reference to actual MyMoneyObject (is either
* MyMoneyAccount or MyMoneyInstitution depending on selected item)
*/
void openContextMenu(const MyMoneyObject& obj);
/**
* This signal is emitted whenever the user requests to open an object
*
* @param obj reference to actual MyMoneyObject (is either
* MyMoneyAccount or MyMoneyInstitution depending on selected item)
*/
void openObject(const MyMoneyObject& obj);
/**
* This signal is emitted whenever the value of an object changed
*/
void valueChanged(void);
/**
* This signal is emitted, when the user selected to reparent the
* account @p acc to be a subordinate account of @p tqparent.
*
* @param acc const reference to account to be reparented
* @param tqparent const reference to new tqparent account
*/
void reparent(const MyMoneyAccount& acc, const MyMoneyAccount& tqparent);
/**
* This signal is emitted, when the user selected to reparent the
* account @p acc to be a subordinate account of @p institution.
*
* @param acc const reference to account to be reparented
* @param institution const reference to new institution
*/
void reparent(const MyMoneyAccount& acc, const MyMoneyInstitution& institution);
};
class KMyMoneyAccountTreeBaseItem : public KListViewItem
{
public:
typedef enum {
Account,
Institution
} KMyMoneyAccountTreeItemType;
/**
* Constructor to be used to construct an institution entry
* object.
*
* @param tqparent pointer to the KListView object this entry should be
* added to.
* @param institution const reference to MyMoneyInstitution for which
* the KListView entry is constructed
*/
KMyMoneyAccountTreeBaseItem(KListView *tqparent, const MyMoneyInstitution& institution);
/**
* Constructor to be used to construct a standard account entry object (e.g. Asset,
* Liability, etc.).
*
* @param tqparent pointer to the KListView object this entry should be
* added to.
* @param account const reference to MyMoneyAccount for which
* the KListView entry is constructed
* @param security const reference to the security used to show the value. Usually
* one should pass MyMoneyFile::baseCurrency() here.
* @param name name of the account to be used instead of the one stored with @p account
* If empty, the one stored with @p account will be used. Default: empty
*/
KMyMoneyAccountTreeBaseItem(KListView *tqparent, const MyMoneyAccount& account, const MyMoneySecurity& security = MyMoneySecurity(), const TQString& name = TQString());
/**
* Constructor to be used to construct an account entry
* object.
*
* @param tqparent pointer to the tqparent KAccountListView object this entry should be
* added to.
* @param account const reference to MyMoneyAccount for which
* the KListView entry is constructed
* @param price price to be used to calculate value (defaults to 1)
* This is used for accounts denominated in foreign currencies or stocks
* @param security const reference to the security used to show the value. Usually
* one should pass MyMoneyFile::baseCurrency() here.
*/
KMyMoneyAccountTreeBaseItem(KMyMoneyAccountTreeBaseItem *tqparent, const MyMoneyAccount& account, const TQValueList<MyMoneyPrice>& price = TQValueList<MyMoneyPrice>(), const MyMoneySecurity& security = MyMoneySecurity());
~KMyMoneyAccountTreeBaseItem();
/**
* populates the columns. Derived classes should override this. The
* name column is already filled and should not be changed.
*/
virtual void fillColumns();
/**
* This method loads new information into the item and updates the fields
*
* @param forceTotalUpdate set to true to force update of total values
* (used in constructor, should not be necessary to
* be set by application code)
*
*/
void updateAccount(bool forceTotalUpdate = false);
/**
* This method checks, if the item contains an account or not.
*
* @retval true item holds an account
* @retval false item does not hold an account
*/
bool isAccount(void) const { return m_type == Account; };
/**
* This method checks, if the item contains an institution or not.
*
* @retval true item holds an institution
* @retval false item does not hold an institution
*/
bool isInstitution(void) const { return m_type == Institution; };
/**
* This method returns the id of the object held by this item
*
* @return const reference to id of object
*/
const TQString& id(void) const;
/**
* Helper method to show the right order
*/
int compare(TQListViewItem* i, int col, bool ascending) const;
/**
* If o is TRUE all child items are shown initially. The user can
* hide them by clicking the - icon to the left of the item. If
* o is FALSE, the tqchildren of this item are initially hidden.
* The user can show them by clicking the + icon to the left of the item.
*
* Overrides KListViewItem::setOpen() and exchanges the value field
* with either the value of this account and its subaccounts if @p o
* is false or the value of this account if @p o is true.
*
* @param o show item open (true) or closed (false)
*/
virtual void setOpen(bool o);
/**
* This method is re-implemented from TQListViewItem::paintCell().
* Besides the standard implementation, the TQPainter is set
* according to the applications settings.
*/
void paintCell(TQPainter *p, const TQColorGroup & cg, int column, int width, int align);
/**
* Convenience method to return casted pointer
*/
KMyMoneyAccountTreeBase* listView(void) const { return dynamic_cast<KMyMoneyAccountTreeBase*>(KListViewItem::listView()); };
/**
* Return the type of entry
*
* @return type of this entry.
*/
KMyMoneyAccountTreeItemType entryType(void) const { return m_type; };
/**
* This method returns a const reference to this item (either the m_account or m_institution)
* depending on m_type.
*
* @return reference to the MyMoneyObject of this entry
*/
const MyMoneyObject& itemObject(void) const;
/**
* This method returns the value of this account and all it's subordinate accounts.
*
* @return value of this account including all subordinate accounts
*/
const MyMoneyMoney& totalValue(void) const { return m_totalValue; };
/**
* This method adjusts the current total value by @p diff.
*
* @param diff difference to be added to the current value to
* get the new value
*/
void adjustTotalValue(const MyMoneyMoney& diff);
/**
* Checks whether this object is a child of the one passed
* by @p item.
*
* @param item pointer to other KMyMoneyAccountTreeItem that
* should be checked for tqparent/grand-tqparenthood of this
* object
* @retval true @p this object is a decendant of @p item
* @retval false @p this object is no decendant of @p item
*/
bool isChildOf(const TQListViewItem* const item) const;
/**
* Sets the whole item to be shown with negative colors
*/
void setNegative(bool isNegative);
/**
* Sets the text of a given column. @param negative indicates whether it should
* be shown as negative number or not
*/
void setText( int column, const TQString &text, const bool &negative = false );
protected:
/**
* Returns the current balance of this account.
*
* This is a pure virtual function, to allow subclasses to calculate
* the balance in different ways.
*
* Parent items in the tree will only be recomputed if the balance() for
* a child changes.
* @param account Account to get the balance for
* @return Balance of this account
*/
virtual MyMoneyMoney balance() const = 0;
/**
* Computes and returns the current value of the account held by this item.
* This is the same as balance() but in the currency of the view.
* if value() changed since the item has been displayed, updateAccount()
* will notify the tqparent.
* @return value of the account held by this item
*/
MyMoneyMoney value() const;
protected:
MyMoneyMoney m_value;
TQValueList<MyMoneyPrice> m_price;
MyMoneySecurity m_security;
MyMoneyMoney m_totalValue;
MyMoneyAccount m_account;
TQMap<int, TQColor> m_columnsColor;
bool m_negative;
private:
MyMoneyInstitution m_institution;
KMyMoneyAccountTreeItemType m_type;
/**
* fills the name column with text and pixmap
*/
void setName();
};
#endif