98 lines
2.7 KiB
C++
Executable File
98 lines
2.7 KiB
C++
Executable File
/*==============================================================================
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Copyright 2018 by Roland Rabien
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For more information visit www.rabiensoftware.com
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==============================================================================*/
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#pragma once
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//==============================================================================
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/* Mirrors a ValueTree in Objects */
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class ValueTreeObject : private ValueTree::Listener
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{
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public:
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ValueTreeObject (const ValueTree& state);
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ValueTree& getState() { return state; }
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static std::function<ValueTreeObject* (const Identifier&, const ValueTree&)> factory;
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public:
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const OwnedArray<ValueTreeObject>& getChildren() const { return children; }
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template <class TargetClass>
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TargetClass* findParentOfType() const
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{
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auto* p = parent;
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while (p != nullptr)
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{
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if (auto* res = dynamic_cast<TargetClass*> (parent))
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return res;
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p = p->parent;
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}
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return nullptr;
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}
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template <class TargetClass>
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Array<TargetClass*> findChildrenOfClass() const
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{
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Array<TargetClass*> res;
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for (auto* c : children)
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if (auto* t = dynamic_cast<TargetClass*> (c))
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res.add (t);
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return res;
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}
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template <class TargetClass>
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int countChildrenOfClass() const
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{
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int count = 0;
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for (auto* c : children)
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if (auto* t = dynamic_cast<TargetClass*> (c))
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count++;
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return count;
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}
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template <class TargetClass>
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TargetClass* findChildOfClass (int idx) const
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{
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int count = 0;
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for (auto* c : children)
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{
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if (auto* t = dynamic_cast<TargetClass*> (c))
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{
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if (count == idx)
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return t;
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count++;
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}
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}
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return nullptr;
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}
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private:
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void valueTreePropertyChanged (ValueTree& treeWhosePropertyHasChanged, const Identifier& property) override;
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void valueTreeChildAdded (ValueTree& parentTree, ValueTree& childWhichHasBeenAdded) override;
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void valueTreeChildRemoved (ValueTree& parentTree, ValueTree& childWhichHasBeenRemoved, int indexFromWhichChildWasRemoved) override;
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void valueTreeChildOrderChanged (ValueTree& parentTreeWhoseChildrenHaveMoved, int oldIndex, int newIndex) override;
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void valueTreeParentChanged (ValueTree& treeWhoseParentHasChanged) override;
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void valueTreeRedirected (ValueTree& treeWhichHasBeenChanged) override;
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private:
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ValueTree state;
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ValueTreeObject* parent = nullptr;
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OwnedArray<ValueTreeObject> children;
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JUCE_LEAK_DETECTOR (ValueTreeObject)
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};
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