mirror of
https://github.com/juce-framework/JUCE.git
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125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef __JUCER_IMAGERESOURCEPROPERTY_JUCEHEADER__
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#define __JUCER_IMAGERESOURCEPROPERTY_JUCEHEADER__
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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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choices.add ("-- create a new image resource -- ");
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choices.add (String::empty);
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if (allowChoiceOfNoResource_)
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choices.add ("<< none >>");
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choices.addArray (doc.getResources().getResourceNames());
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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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choices.add ("-- create a new image resource -- ");
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choices.add (String::empty);
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if (allowChoiceOfNoResource_)
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choices.add ("<< none >>");
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choices.addArray (document.getResources().getResourceNames());
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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::nonexistent,
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String::empty));
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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] == "<< none >>" && allowChoiceOfNoResource)
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setResource (String::empty);
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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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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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#endif // __JUCER_IMAGERESOURCEPROPERTY_JUCEHEADER__
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