mirror of
https://github.com/juce-framework/JUCE.git
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135 lines
4.2 KiB
C++
135 lines
4.2 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 "../../ProjectSaving/jucer_ResourceFile.h"
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//==============================================================================
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/**
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A property that lets you pick a resource to use as an image, or create a
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new one with a file selector.
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*/
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template <class ElementType>
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class ImageResourceProperty : public ChoicePropertyComponent,
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private ChangeListener
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{
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public:
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ImageResourceProperty (JucerDocument& doc,
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ElementType* const e,
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const String& name,
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const bool allowChoiceOfNoResource_)
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: ChoicePropertyComponent (name),
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element (e), document (doc),
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allowChoiceOfNoResource (allowChoiceOfNoResource_)
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{
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refreshChoices();
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doc.addChangeListener (this);
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}
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ImageResourceProperty (ElementType* const e, const String& name,
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const bool allowChoiceOfNoResource_ = false)
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: ChoicePropertyComponent (name),
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element (e), document (*e->getDocument()),
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allowChoiceOfNoResource (allowChoiceOfNoResource_)
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{
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refreshChoices();
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document.addChangeListener (this);
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}
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~ImageResourceProperty()
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{
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document.removeChangeListener (this);
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}
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//==============================================================================
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virtual void setResource (const String& newName) = 0;
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virtual String getResource() const = 0;
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//==============================================================================
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void setIndex (int newIndex)
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{
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if (newIndex == 0)
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{
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String resource (document.getResources()
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.browseForResource ("Select an image file to add as a resource",
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"*.jpg;*.jpeg;*.png;*.gif;*.svg",
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File(),
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String()));
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if (resource.isNotEmpty())
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setResource (resource);
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}
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else
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{
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if (choices[newIndex] == getNoneText() && allowChoiceOfNoResource)
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setResource (String());
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else
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setResource (choices [newIndex]);
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}
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}
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int getIndex() const
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{
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if (getResource().isEmpty())
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return -1;
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return choices.indexOf (getResource());
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}
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void changeListenerCallback (ChangeBroadcaster*)
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{
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refresh();
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}
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void refreshChoices()
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{
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choices.clear();
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choices.add ("-- create a new image resource -- ");
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choices.add (String());
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if (allowChoiceOfNoResource)
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choices.add (getNoneText());
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choices.addArray (document.getResources().getResourceNames());
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const SourceCodeDocument& cpp = document.getCppDocument();
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if (Project* project = cpp.getProject())
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{
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JucerResourceFile resourceFile (*project);
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for (int i = 0; i < resourceFile.getNumFiles(); ++i)
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{
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const File& file = resourceFile.getFile(i);
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if (ImageFileFormat::findImageFormatForFileExtension(file))
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choices.add (resourceFile.getClassName() + "::" + resourceFile.getDataVariableFor (file));
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}
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}
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}
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const char* getNoneText() noexcept { return "<< none >>"; }
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protected:
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mutable Component::SafePointer<ElementType> element;
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JucerDocument& document;
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const bool allowChoiceOfNoResource;
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};
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