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JUCE/extras/Introjucer/Source/ComponentEditor/paintelements/jucer_ImageResourceProperty.h

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4.4 KiB
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/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-11 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online at www.gnu.org/licenses.
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
#ifndef __JUCER_IMAGERESOURCEPROPERTY_JUCEHEADER__
#define __JUCER_IMAGERESOURCEPROPERTY_JUCEHEADER__
//==============================================================================
/**
A property that lets you pick a resource to use as an image, or create a
new one with a file selector.
*/
template <class ElementType>
class ImageResourceProperty : public ChoicePropertyComponent,
private ChangeListener
{
public:
ImageResourceProperty (JucerDocument& doc,
ElementType* const e,
const String& name,
const bool allowChoiceOfNoResource_)
: ChoicePropertyComponent (name),
element (e), document (doc),
allowChoiceOfNoResource (allowChoiceOfNoResource_)
{
choices.add ("-- create a new image resource -- ");
choices.add (String::empty);
if (allowChoiceOfNoResource_)
choices.add ("<< none >>");
choices.addArray (doc.getResources().getResourceNames());
doc.addChangeListener (this);
}
ImageResourceProperty (ElementType* const e, const String& name,
const bool allowChoiceOfNoResource_ = false)
: ChoicePropertyComponent (name),
element (e), document (*e->getDocument()),
allowChoiceOfNoResource (allowChoiceOfNoResource_)
{
choices.add ("-- create a new image resource -- ");
choices.add (String::empty);
if (allowChoiceOfNoResource_)
choices.add ("<< none >>");
choices.addArray (document.getResources().getResourceNames());
document.addChangeListener (this);
}
~ImageResourceProperty()
{
document.removeChangeListener (this);
}
//==============================================================================
virtual void setResource (const String& newName) = 0;
virtual String getResource() const = 0;
//==============================================================================
void setIndex (int newIndex)
{
if (newIndex == 0)
{
String resource (document.getResources()
.browseForResource ("Select an image file to add as a resource",
"*.jpg;*.jpeg;*.png;*.gif;*.svg",
File::nonexistent,
String::empty));
if (resource.isNotEmpty())
setResource (resource);
}
else
{
if (choices[newIndex] == "<< none >>" && allowChoiceOfNoResource)
setResource (String::empty);
else
setResource (choices [newIndex]);
}
}
int getIndex() const
{
if (getResource().isEmpty())
return -1;
return choices.indexOf (getResource());
}
void changeListenerCallback (ChangeBroadcaster*)
{
refresh();
}
protected:
mutable Component::SafePointer<ElementType> element;
JucerDocument& document;
const bool allowChoiceOfNoResource;
};
#endif // __JUCER_IMAGERESOURCEPROPERTY_JUCEHEADER__