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

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

   This file is part of the JUCE 6 technical preview.
   Copyright (c) 2020 - Raw Material Software Limited

   You may use this code under the terms of the GPL v3
   (see www.gnu.org/licenses).

   For this technical preview, this file is not subject to commercial licensing.

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR 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, const 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()
        {
            element->convertToPath();
        }

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

    private:
        PaintElementRectangle* const element;
    };
};