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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found 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.juce.com for more information.
==============================================================================
*/
#ifndef JUCER_FILEPATHPROPERTYCOMPONENT_H_INCLUDED
#define JUCER_FILEPATHPROPERTYCOMPONENT_H_INCLUDED
class FilePathPropertyComponent : public PropertyComponent
{
public:
/** A Property Component for selecting files or folders.
The user may drag files over the property box, enter the path
manually and/or click the '...' button to open a file selection
dialog box
*/
FilePathPropertyComponent (Value valueToControl,
const String& propertyDescription,
bool isDirectory,
const String& wildcards = "*",
const File& rootToUseForRelativePaths = File())
: PropertyComponent (propertyDescription),
innerComp (valueToControl, isDirectory, wildcards, rootToUseForRelativePaths)
{
addAndMakeVisible (innerComp);
}
void refresh() override {} // N/A
private:
struct InnerComponent : public Component,
public FileDragAndDropTarget,
private Button::Listener
{
InnerComponent (Value v, bool isDir, const String& wc, const File& rt)
: value (v),
isDirectory (isDir),
highlightForDragAndDrop (false),
wildcards (wc),
root (rt),
button ("...")
{
addAndMakeVisible (textbox);
textbox.getTextValue().referTo (value);
addAndMakeVisible (button);
button.addListener (this);
}
void paintOverChildren (Graphics& g) override
{
if (highlightForDragAndDrop)
{
g.setColour (Colours::green.withAlpha (0.1f));
g.fillRect (getLocalBounds());
}
}
void resized() override
{
juce::Rectangle<int> r (getLocalBounds());
button.setBounds (r.removeFromRight (24));
textbox.setBounds (r);
}
bool isInterestedInFileDrag (const StringArray&) override { return true; }
void fileDragEnter (const StringArray&, int, int) override { highlightForDragAndDrop = true; repaint(); }
void fileDragExit (const StringArray&) override { highlightForDragAndDrop = false; repaint(); }
void filesDropped (const StringArray& files, int, int) override
{
const File firstFile (files[0]);
if (isDirectory)
setTo (firstFile.isDirectory() ? firstFile
: firstFile.getParentDirectory());
else
setTo (firstFile);
}
void buttonClicked (Button*) override
{
const File currentFile (root.getChildFile (value.toString()));
if (isDirectory)
{
FileChooser chooser ("Select directory", currentFile);
if (chooser.browseForDirectory())
setTo (chooser.getResult());
}
else
{
FileChooser chooser ("Select file", currentFile, wildcards);
if (chooser.browseForFileToOpen())
setTo (chooser.getResult());
}
}
void setTo (const File& f)
{
value = (root == File()) ? f.getFullPathName()
: f.getRelativePathFrom (root);
}
Value value;
bool isDirectory, highlightForDragAndDrop;
String wildcards;
File root;
TextEditor textbox;
TextButton button;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (InnerComponent)
};
InnerComponent innerComp; // Used so that the PropertyComponent auto first-child positioning works
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FilePathPropertyComponent)
};
#endif // JUCER_FILEPATHPROPERTYCOMPONENT_H_INCLUDED
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