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104 lines
3.9 KiB
104 lines
3.9 KiB
/*
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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 JUCE_FILETREECOMPONENT_H_INCLUDED
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#define JUCE_FILETREECOMPONENT_H_INCLUDED
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//==============================================================================
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/**
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A component that displays the files in a directory as a treeview.
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This implements the DirectoryContentsDisplayComponent base class so that
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it can be used in a FileBrowserComponent.
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To attach a listener to it, use its DirectoryContentsDisplayComponent base
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class and the FileBrowserListener class.
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@see DirectoryContentsList, FileListComponent
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*/
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class JUCE_API FileTreeComponent : public TreeView,
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public DirectoryContentsDisplayComponent
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{
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public:
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//==============================================================================
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/** Creates a listbox to show the contents of a specified directory.
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*/
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FileTreeComponent (DirectoryContentsList& listToShow);
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/** Destructor. */
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~FileTreeComponent();
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//==============================================================================
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/** Returns the number of files the user has got selected.
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@see getSelectedFile
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*/
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int getNumSelectedFiles() const { return TreeView::getNumSelectedItems(); }
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/** Returns one of the files that the user has currently selected.
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The index should be in the range 0 to (getNumSelectedFiles() - 1).
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@see getNumSelectedFiles
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*/
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File getSelectedFile (int index = 0) const;
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/** Deselects any files that are currently selected. */
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void deselectAllFiles();
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/** Scrolls the list to the top. */
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void scrollToTop();
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/** If the specified file is in the list, it will become the only selected item
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(and if the file isn't in the list, all other items will be deselected). */
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void setSelectedFile (const File&);
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/** Updates the files in the list. */
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void refresh();
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/** Setting a name for this allows tree items to be dragged.
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The string that you pass in here will be returned by the getDragSourceDescription()
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of the items in the tree. For more info, see TreeViewItem::getDragSourceDescription().
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*/
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void setDragAndDropDescription (const String& description);
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/** Returns the last value that was set by setDragAndDropDescription().
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*/
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const String& getDragAndDropDescription() const noexcept { return dragAndDropDescription; }
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/** Changes the height of the treeview items. */
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void setItemHeight (int newHeight);
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/** Returns the height of the treeview items. */
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int getItemHeight() const noexcept { return itemHeight; }
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private:
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//==============================================================================
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String dragAndDropDescription;
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int itemHeight;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FileTreeComponent)
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};
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#endif // JUCE_FILETREECOMPONENT_H_INCLUDED
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