- clean working copy for leaving SVN
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/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-12 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online 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.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#include "../JuceDemoHeader.h"
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//==============================================================================
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/** The Note class contains text editor used to display and edit the note's contents and will
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also listen to changes in the text and mark the FileBasedDocument as 'dirty'. This 'dirty'
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flag is used to promt the user to save the note when it is closed.
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*/
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class Note : public Component,
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public FileBasedDocument,
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private TextEditor::Listener
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{
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public:
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Note (const String& name, const String& contents)
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: FileBasedDocument (".jnote", "*.jnote",
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"Browse for note to load",
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"Choose file to save note to"),
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textValueObject (contents)
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{
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// we need to use an separate Value object as our text source so it doesn't get marked
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// as changed immediately
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setName (name);
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editor.setMultiLine (true);
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editor.setReturnKeyStartsNewLine (true);
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editor.getTextValue().referTo (textValueObject);
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addAndMakeVisible (editor);
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editor.addListener (this);
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}
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~Note()
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{
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editor.removeListener (this);
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}
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void resized() override
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{
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editor.setBounds (getLocalBounds());
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}
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String getDocumentTitle() override
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{
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return getName();
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}
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Result loadDocument (const File& file) override
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{
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editor.setText (file.loadFileAsString());
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return Result::ok();
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}
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Result saveDocument (const File& file) override
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{
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// attempt to save the contents into the given file
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FileOutputStream os (file);
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if (os.openedOk())
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os.writeText (editor.getText(), false, false);
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return Result::ok();
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}
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File getLastDocumentOpened() override
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{
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// not interested in this for now
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return File::nonexistent;
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}
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void setLastDocumentOpened (const File& /*file*/) override
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{
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// not interested in this for now
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}
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File getSuggestedSaveAsFile (const File&)
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{
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return File::getSpecialLocation (File::userDesktopDirectory).getChildFile (getName()).withFileExtension ("jnote");
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}
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private:
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Value textValueObject;
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TextEditor editor;
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void textEditorTextChanged (TextEditor& ed) override
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{
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// let our FileBasedDocument know we've changed
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if (&ed == &editor)
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changed();
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}
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void textEditorReturnKeyPressed (TextEditor&) override {}
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void textEditorEscapeKeyPressed (TextEditor&) override {}
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void textEditorFocusLost (TextEditor&) override {}
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Note);
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};
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//==============================================================================
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/** Simple MultiDocumentPanel that just tries to save our notes when they are closed.
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*/
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class DemoMultiDocumentPanel : public MultiDocumentPanel
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{
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public:
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DemoMultiDocumentPanel()
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{
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}
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~DemoMultiDocumentPanel()
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{
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closeAllDocuments (true);
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}
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bool tryToCloseDocument (Component* component) override
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{
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#if JUCE_MODAL_LOOPS_PERMITTED
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if (Note* note = dynamic_cast<Note*> (component))
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return note->saveIfNeededAndUserAgrees() != FileBasedDocument::failedToWriteToFile;
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#endif
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return true;
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}
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private:
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DemoMultiDocumentPanel);
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};
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//==============================================================================
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/** Simple multi-document panel that manages a number of notes that you can store to files.
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By default this will look for notes saved to the desktop and load them up.
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*/
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class MDIDemo : public Component,
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public FileDragAndDropTarget,
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private Button::Listener
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{
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public:
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MDIDemo()
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{
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setOpaque (true);
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showInTabsButton.setButtonText ("Show with tabs");
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showInTabsButton.setToggleState (false, dontSendNotification);
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showInTabsButton.addListener (this);
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addAndMakeVisible (showInTabsButton);
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addNoteButton.setButtonText ("Create a new note");
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addNoteButton.addListener (this);
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addAndMakeVisible (addNoteButton);
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addAndMakeVisible (multiDocumentPanel);
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multiDocumentPanel.setBackgroundColour (Colours::transparentBlack);
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updateLayoutMode();
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addNote ("Notes Demo", "You can drag-and-drop text files onto this page to open them as notes..");
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addExistingNotes();
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}
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~MDIDemo()
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{
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addNoteButton.removeListener (this);
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showInTabsButton.removeListener (this);
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}
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void paint (Graphics& g) override
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{
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fillTiledBackground (g);
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}
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void resized() override
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{
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Rectangle<int> area (getLocalBounds());
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Rectangle<int> buttonArea (area.removeFromTop (28).reduced (2));
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addNoteButton.setBounds (buttonArea.removeFromRight (150));
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showInTabsButton.setBounds (buttonArea);
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multiDocumentPanel.setBounds (area);
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}
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bool isInterestedInFileDrag (const StringArray&) override
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{
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return true;
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}
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void filesDropped (const StringArray& filenames, int /* x */, int /* y */) override
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{
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Array<File> files;
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for (int i = 0; i < filenames.size(); ++i)
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files.add (File (filenames[i]));
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createNotesForFiles (files);
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}
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void createNotesForFiles (const Array<File>& files)
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{
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for (int i = 0; i < files.size(); ++i)
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{
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const File file (files[i]);
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String content = file.loadFileAsString();
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if (content.length() > 20000)
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content = "Too long!";
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addNote (file.getFileName(), content);
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}
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}
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private:
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ToggleButton showInTabsButton;
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TextButton addNoteButton;
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DemoMultiDocumentPanel multiDocumentPanel;
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void updateLayoutMode()
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{
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multiDocumentPanel.setLayoutMode (showInTabsButton.getToggleState() ? MultiDocumentPanel::MaximisedWindowsWithTabs
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: MultiDocumentPanel::FloatingWindows);
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}
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void addNote (const String& name, const String& content)
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{
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Note* newNote = new Note (name, content);
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newNote->setSize (200, 200);
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multiDocumentPanel.addDocument (newNote, Colours::lightblue.withAlpha (0.6f), true);
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}
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void addExistingNotes()
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{
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Array<File> files;
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File::getSpecialLocation (File::userDesktopDirectory).findChildFiles (files, File::findFiles, false, "*.jnote");
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createNotesForFiles (files);
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}
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void buttonClicked (Button* b) override
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{
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if (b == &showInTabsButton)
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updateLayoutMode();
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else if (b == &addNoteButton)
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addNote (String ("Note ") + String (multiDocumentPanel.getNumDocuments() + 1), "Hello World!");
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}
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MDIDemo);
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};
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// This static object will register this demo type in a global list of demos..
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static JuceDemoType<MDIDemo> demo ("10 Components: MDI");
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