mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-21 01:24:21 +00:00
131 lines
4.1 KiB
C++
131 lines
4.1 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE 6 technical preview.
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Copyright (c) 2017 - ROLI Ltd.
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You may use this code under the terms of the GPL v3
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(see www.gnu.org/licenses).
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For this technical preview, this file is not subject to commercial licensing.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#pragma once
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#include "../UI/jucer_JucerDocumentEditor.h"
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#include "jucer_PaintElementGroup.h"
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//==============================================================================
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template <class ElementType>
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class PaintElementUndoableAction : public UndoableAction
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{
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public:
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PaintElementUndoableAction (ElementType* const element)
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: routine (*element->getOwner()),
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elementIndex (element->getOwner()->indexOfElement (element))
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{
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jassert (element != nullptr);
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if (elementIndex < 0)
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findGroupIndices (element->getOwner(), element);
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jassert (elementIndex >= 0);
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}
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ElementType* getElement() const
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{
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if (containerGroups.size() > 0)
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{
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auto group = dynamic_cast<PaintElementGroup*> (routine.getElement (containerGroups.getFirst()));
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if (group == nullptr)
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return nullptr;
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for (int i = 1; i < containerGroups.size(); ++i)
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{
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group = dynamic_cast<PaintElementGroup*> (group->getElement (containerGroups.getUnchecked(i)));
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if (group == nullptr)
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return nullptr;
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}
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auto e = dynamic_cast<ElementType*> (group->getElement (elementIndex));
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jassert (e != nullptr);
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return e;
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}
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else
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{
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auto e = dynamic_cast<ElementType*> (routine.getElement (elementIndex));
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jassert (e != nullptr);
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return e;
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}
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}
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int getSizeInUnits() { return 2; }
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protected:
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PaintRoutine& routine;
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int elementIndex;
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Array <int> containerGroups;
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void changed() const
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{
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jassert (routine.getDocument() != 0);
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routine.getDocument()->changed();
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}
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void showCorrectTab() const
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{
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if (JucerDocumentEditor* const docHolder = JucerDocumentEditor::getActiveDocumentHolder())
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docHolder->showGraphics (&routine);
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if (routine.getSelectedElements().getNumSelected() == 0)
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if (ElementType* const e = dynamic_cast<ElementType*> (routine.getElement (elementIndex)))
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routine.getSelectedElements().selectOnly (e);
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}
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private:
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void findGroupIndices (PaintRoutine* const pr, PaintElement* const element)
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{
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for (int i = pr->getNumElements(); --i >= 0;)
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{
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if (auto pg = dynamic_cast<PaintElementGroup*> (pr->getElement (i)))
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{
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if (pg->containsElement (element))
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{
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containerGroups.add (i);
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findGroupIndices (pg, element);
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}
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}
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}
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}
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void findGroupIndices (PaintElementGroup* const group, PaintElement* const element)
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{
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elementIndex = group->indexOfElement (element);
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if (elementIndex < 0)
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{
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for (int i = group->getNumElements(); --i >= 0;)
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{
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if (auto pg = dynamic_cast<PaintElementGroup*> (group->getElement (i)))
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{
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if (pg->containsElement (element))
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{
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containerGroups.add (i);
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findGroupIndices (pg, element);
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}
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}
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}
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}
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}
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PaintElementUndoableAction (const PaintElementUndoableAction&);
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PaintElementUndoableAction& operator= (const PaintElementUndoableAction&);
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};
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