JUCE/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementRectangle.h

/*
  ==============================================================================

   This file is part of the JUCE framework.
   Copyright (c) Raw Material Software Limited

   JUCE is an open source framework subject to commercial or open source
   licensing.

   By downloading, installing, or using the JUCE framework, or combining the
   JUCE framework with any other source code, object code, content or any other
   copyrightable work, you agree to the terms of the JUCE End User Licence
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   framework to you, and you must discontinue the installation or download
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   Or:

   You may also use this code under the terms of the AGPLv3:
   https://www.gnu.org/licenses/agpl-3.0.en.html

   THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
   WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.

  ==============================================================================
*/

#pragma once

#include "jucer_ColouredElement.h"

//==============================================================================
class PaintElementRectangle     : public ColouredElement
{
public:
    PaintElementRectangle (PaintRoutine* pr)
        : ColouredElement (pr, "Rectangle", true, false)
    {
    }

    Rectangle<int> getCurrentBounds (const Rectangle<int>& parentArea) const override
    {
        return PaintElement::getCurrentBounds (parentArea); // bypass the ColouredElement implementation
    }

    void setCurrentBounds (const Rectangle<int>& newBounds, const Rectangle<int>& parentArea, bool undoable) override
    {
        PaintElement::setCurrentBounds (newBounds, parentArea, undoable); // bypass the ColouredElement implementation
    }

    void draw (Graphics& g, const ComponentLayout* layout, const Rectangle<int>& parentArea) override
    {
        Component tempParentComp;
        tempParentComp.setBounds (parentArea);

        fillType.setFillType (g, getDocument(), parentArea);

        const Rectangle<int> r (position.getRectangle (parentArea, layout));
        g.fillRect (r);

        if (isStrokePresent)
        {
            strokeType.fill.setFillType (g, getDocument(), parentArea);

            g.drawRect (r.getX(), r.getY(), r.getWidth(), r.getHeight(),
                        roundToInt (getStrokeType().stroke.getStrokeThickness()));
        }
    }

    void getEditableProperties (Array <PropertyComponent*>& props, bool multipleSelected) override
    {
        ColouredElement::getEditableProperties (props, multipleSelected);

        props.add (new ShapeToPathProperty (this));
    }

    void fillInGeneratedCode (GeneratedCode& code, String& paintMethodCode) override
    {
        if (fillType.isInvisible() && (strokeType.isInvisible() || ! isStrokePresent))
            return;

        String x, y, w, h, s;
        positionToCode (position, code.document->getComponentLayout(), x, y, w, h);

        s << "{\n"
          << "    int x = " << x << ", y = " << y << ", width = " << w << ", height = " << h << ";\n";

        if (! fillType.isInvisible())
            s << "    " << fillType.generateVariablesCode ("fill");

        if (isStrokePresent && ! strokeType.isInvisible())
            s << "    " << strokeType.fill.generateVariablesCode ("stroke");

        s << "    //[UserPaintCustomArguments] Customize the painting arguments here..\n"
          << customPaintCode
          << "    //[/UserPaintCustomArguments]\n";

        if (! fillType.isInvisible())
        {
            s << "    ";
            fillType.fillInGeneratedCode ("fill", position, code, s);
            s << "    g.fillRect (x, y, width, height);\n";
        }

        if (isStrokePresent && ! strokeType.isInvisible())
        {
            s << "    ";
            strokeType.fill.fillInGeneratedCode ("stroke", position, code, s);
            s << "    g.drawRect (x, y, width, height, " << roundToInt (strokeType.stroke.getStrokeThickness()) << ");\n\n";
        }

        s << "}\n\n";

        paintMethodCode += s;
    }

    void applyCustomPaintSnippets (StringArray& snippets) override
    {
        customPaintCode.clear();

        if (! snippets.isEmpty() && (! fillType.isInvisible() || (isStrokePresent && ! strokeType.isInvisible())))
        {
            customPaintCode = snippets[0];
            snippets.remove (0);
        }
    }

    static const char* getTagName() noexcept        { return "RECT"; }

    XmlElement* createXml() const override
    {
        XmlElement* e = new XmlElement (getTagName());
        position.applyToXml (*e);

        addColourAttributes (e);

        return e;
    }

    bool loadFromXml (const XmlElement& xml) override
    {
        if (xml.hasTagName (getTagName()))
        {
            position.restoreFromXml (xml, position);
            loadColourAttributes (xml);

            return true;
        }

        jassertfalse;
        return false;
    }

    void convertToPath()
    {
        Path path;
        path.addRectangle (getCurrentAbsoluteBounds());
        convertToNewPathElement (path);
    }

private:
    String customPaintCode;

    class ShapeToPathProperty  : public ButtonPropertyComponent
    {
    public:
        ShapeToPathProperty (PaintElementRectangle* const e)
            : ButtonPropertyComponent ("path", false),
              element (e)
        {
        }

        void buttonClicked() override
        {
            element->convertToPath();
        }

        String getButtonText() const override
        {
            return "convert to a path";
        }

    private:
        PaintElementRectangle* const element;
    };
};