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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is 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.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
#ifndef JUCER_COMPONENTLAYOUT_H_INCLUDED
#define JUCER_COMPONENTLAYOUT_H_INCLUDED
#include "components/jucer_ComponentTypeHandler.h"
class JucerDocument;
//==============================================================================
/**
Manages the set of sub-components for a JucerDocument.
*/
class ComponentLayout
{
public:
//==============================================================================
ComponentLayout();
~ComponentLayout();
//==============================================================================
void changed();
int getNumComponents() const noexcept { return components.size(); }
Component* getComponent (const int index) const noexcept { return components [index]; }
int indexOfComponent (Component* const comp) const noexcept { return components.indexOf (comp); }
bool containsComponent (Component* const comp) const noexcept { return components.contains (comp); }
//==============================================================================
void clearComponents();
void removeComponent (Component* comp, const bool undoable);
Component* addNewComponent (ComponentTypeHandler* const type, int x, int y);
Component* addComponentFromXml (const XmlElement& xml, const bool undoable);
Component* findComponentWithId (const int64 componentId) const;
//==============================================================================
void componentToFront (Component* comp, const bool undoable);
void componentToBack (Component* comp, const bool undoable);
void setComponentPosition (Component* comp, const RelativePositionedRectangle& newPos, const bool undoable);
void updateStoredComponentPosition (Component* comp, const bool undoable);
//==============================================================================
Component* getComponentRelativePosTarget (Component* comp, int whichDimension) const;
void setComponentRelativeTarget (Component* comp, int whichDimension, Component* compToBeRelativeTo);
// checks recursively whether the comp depends on the given comp for its position
bool dependsOnComponentForRelativePos (Component* comp, Component* possibleDependee) const;
PopupMenu getRelativeTargetMenu (Component* comp, int whichDimension) const;
void processRelativeTargetMenuResult (Component* comp, int whichDimension, int menuResultID);
//==============================================================================
void setComponentMemberVariableName (Component* comp, const String& newName);
String getComponentMemberVariableName (Component* comp) const;
//==============================================================================
void setComponentVirtualClassName (Component* comp, const String& newName);
String getComponentVirtualClassName (Component* comp) const;
//==============================================================================
SelectedItemSet <Component*>& getSelectedSet() { return selected; }
static const char* const clipboardXmlTag;
void copySelectedToClipboard();
void paste();
void deleteSelected();
void selectAll();
void selectedToFront();
void selectedToBack();
void startDragging();
void dragSelectedComps (int dxFromDragStart, int dyFromDragStart, const bool allowSnap = true);
void endDragging();
void moveSelectedComps (int dx, int dy, bool snap);
void stretchSelectedComps (int dw, int dh, bool allowSnap);
void bringLostItemsBackOnScreen (int width, int height);
//==============================================================================
void setDocument (JucerDocument* const doc) { document = doc; }
JucerDocument* getDocument() const noexcept { return document; }
//==============================================================================
void addToXml (XmlElement& xml) const;
void fillInGeneratedCode (GeneratedCode& code) const;
void perform (UndoableAction* action, const String& actionName);
private:
JucerDocument* document;
OwnedArray <Component> components;
SelectedItemSet <Component*> selected;
int nextCompUID;
String getUnusedMemberName (String nameRoot, Component* comp) const;
friend class FrontBackCompAction;
friend class DeleteCompAction;
void moveComponentZOrder (int oldIndex, int newIndex);
};
void positionToCode (const RelativePositionedRectangle& position,
const ComponentLayout* layout,
String& x, String& y, String& w, String& h);
#endif // JUCER_COMPONENTLAYOUT_H_INCLUDED
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