juce_MultiChoicePropertyComponent.h

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/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
 
namespace juce
{
 
//==============================================================================
class MultiChoicePropertyComponent    : public PropertyComponent
{
private:
    MultiChoicePropertyComponent (const String&, const StringArray&, const Array<var>&);
 
public:
    MultiChoicePropertyComponent (const Value& valueToControl,
                                  const String& propertyName,
                                  const StringArray& choices,
                                  const Array<var>& correspondingValues,
                                  int maxChoices = -1);

    MultiChoicePropertyComponent (const ValueTreePropertyWithDefault& valueToControl,
                                  const String& propertyName,
                                  const StringArray& choices,
                                  const Array<var>& correspondingValues,
                                  int maxChoices = -1);
 
    //==============================================================================
    bool isExpanded() const noexcept    { return expanded; }

    bool isExpandable() const noexcept  { return expandable; }

    void setExpanded (bool expanded) noexcept;

    std::function<void()> onHeightChange;
 
    //==============================================================================
    void paint (Graphics& g) override;
    void resized() override;
    void refresh() override {}
 
private:
    //==============================================================================
    class MultiChoiceRemapperSource;
    class MultiChoiceRemapperSourceWithDefault;
 
    //==============================================================================
    static int getTotalButtonsHeight (int);
    void lookAndFeelChanged() override;
 
    //==============================================================================
    static constexpr int collapsedHeight = 125;
    static constexpr int buttonHeight = 25;
    static constexpr int expandAreaHeight = 20;
 
    int maxHeight = 0, numHidden = 0;
    bool expandable = false, expanded = false;
 
    ValueTreePropertyWithDefault value;
    OwnedArray<ToggleButton> choiceButtons;
    ShapeButton expandButton { "Expand", Colours::transparentBlack, Colours::transparentBlack, Colours::transparentBlack };
 
    //==============================================================================
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiChoicePropertyComponent)
};
 
} // namespace juce