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Diffstat (limited to 'src/cnitemgroup.h')
| -rw-r--r-- | src/cnitemgroup.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/cnitemgroup.h b/src/cnitemgroup.h new file mode 100644 index 0000000..fe2c064 --- /dev/null +++ b/src/cnitemgroup.h @@ -0,0 +1,215 @@ +/*************************************************************************** + * Copyright (C) 2003-2005 by David Saxton * + * david@bluehaze.org * + * * + * 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 CANVASITEMGROUP_H +#define CANVASITEMGROUP_H + +#include "itemgroup.h" + + +class CNItem; +class Item; +class ICNDocument; +class Component; +class Connector; +class FlowPart; +class Node; +class ECNode; +class FPNode; +class ICNDocument; +class QCanvasItem; +class QCanvasItemList; + +typedef QValueList<QGuardedPtr<Item> > ItemList; +typedef QValueList<QGuardedPtr<Node> > NodeList; +typedef QValueList<QGuardedPtr<Connector> > ConnectorList; + +/** +@author David Saxton +*/ +class CNItemGroup : public ItemGroup +{ +Q_OBJECT +public: + CNItemGroup( ICNDocument *icnDocument, const char *name = 0 ); + ~CNItemGroup(); + + /** + * Adds a CNItem to the group, if it is not already in it, or other items at + * a lower levels are already in the group. If there are items are a high level, + * those items are removed first. Returns false on failure to add. + */ + bool addItem( Item *item ); + /** + * Adds a Node to the group, if it is not already in it. Note: This node + * will *NOT* be added if it is a child node, and the function will return false. + * If the node is not already present, and is added, then this will return true. + */ + bool addNode( Node *node ); + /** + * Adds a Connector to the group, if it is not already in it (if it is, returns false) + */ + bool addConnector( Connector *con ); + /** + * If the item is a a CNItem, Node or Connector, returns the status + * for that particular add function, else returns false + */ + virtual bool addQCanvasItem( QCanvasItem *qcanvasItem ); + /** + * Sets the contained items to those in this list + */ + virtual void setItems( QCanvasItemList list ); + /** + * Removes the CNItem from the group + */ + void removeItem( Item *item ); + /** + * Removes the Node from the group + */ + void removeNode( Node *node ); + /** + * Removes the Connector from the group + */ + void removeConnector( Connector *con ); + /** + * If the item is a a CNItem, Node or Connector, then attempts to remove it + */ + virtual void removeQCanvasItem( QCanvasItem *qcanvasItem ); + /** + * Returns true if the QCanvasItem passed is contained in the group + */ + virtual bool contains( QCanvasItem *qcanvasItem ) const; + /** + * Returns the number of Nodes in the CanvasGroup + */ + uint nodeCount() const { return m_nodeCount; } + /** + * Returns the number of Connectors in the CanvasGroup + */ + uint connectorCount() const { return m_connectorCount; } + /** + * Returns the total number of items in the group + * (CNItems, Nodes, Connectors) + */ + uint count() const { return itemCount()+m_nodeCount+m_connectorCount; } + /** + * Sets the selected state of all items in the group + */ + virtual void setSelected( bool sel ); + /** + * Sets the orientation (degrees component) of all items in the group + */ + void setOrientationAngle( int angleDegrees ); + /** + * Sets the orientation (flipped component) of all items in the group + */ + void setOrientationFlipped( bool flipped ); + /** + * Sets the orientation of all flowparts in the group + */ + void setFlowPartOrientation( unsigned orientation ); + /** + * Sets the orientation (degrees and flipped) of all components in the group + */ + void setComponentOrientation( int angleDegrees, bool flipped ); + /** + * Merges all items in the given group with this group + */ + virtual void mergeGroup( ItemGroup *group ); + /** + * Removes all items from this group (doesn't delete them) + * @param unselect whether to unselect the items or not. This will be done after removal from group + */ + virtual void removeAllItems(); + /** + * Attempts to delete everything in the group. + * Note: You *must* call ICNDocument::flushDeleteList() after calling this function, + * as this function only tells the items to remove themselves + */ + virtual void deleteAllItems(); + /** + * Returns a list of all the Nodes in the group. + * @param excludeParented if false, then nodes that are fully contained + * within item children will also be returned. + */ + NodeList nodes( bool excludeParented = true ) const; + /** + * Returns a list of all the Connectors in the group. + * @param excludeParented if false, then connectors that are fully contained + * within item children will also be returned. + */ + ConnectorList connectors( bool excludeParented = true ) const; + /** + * Returns a list of the ids of all the CNItems in the group. + */ + QStringList itemIDs(); + /** + * Returns true if at least some of the CNItems in this group can be + * rotated. Returns false if no items present. + */ + bool canRotate() const; + /** + * Returns true if at least some of the CNItems in this group can be + * flipped. Returns false if no items present. + */ + bool canFlip() const; + + +public slots: + /** + * Sets the orientation of all selected items to 0 degrees. + */ + void slotSetOrientation0() { setOrientationAngle(0); } + /** + * Sets the orientation of all selected items to 90 degrees. + */ + void slotSetOrientation90() { setOrientationAngle(90); } + /** + * Sets the orientation of all selected items to 180 degrees. + */ + void slotSetOrientation180() { setOrientationAngle(180); } + /** + * Sets the orientation of all selected items to 270 (actually -90) degrees. + */ + void slotSetOrientation270() { setOrientationAngle(-90); } + /** + * Rotates all CNItems in the group clockwise + */ + void slotRotateCW(); + /** + * Rotates all CNItems in the group counter-clockwise + */ + void slotRotateCCW(); + /** + * Flips all CNItems in the group + */ + void slotFlip(); + +signals: + void connectorAdded( Connector *con ); + void connectorRemoved( Connector *con ); + void nodeAdded( Node *node ); + void nodeRemoved( Node *node ); + +protected: + void updateInfo(); + void getActiveItem(); + void setActiveItem( Item *item ); + +private: + ICNDocument *p_icnDocument; + ConnectorList m_connectorList; + NodeList m_nodeList; + uint m_connectorCount; + uint m_nodeCount; + int m_currentLevel; // We can only accept CNItems of one level +}; + +#endif |