- initial version
git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@14 b431acfa-c32f-4a4a-93f1-934dc6c82436
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/*
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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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namespace TabbedComponentHelpers
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{
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const Identifier deleteComponentId ("deleteByTabComp_");
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static void deleteIfNecessary (Component* const comp)
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{
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if (comp != nullptr && (bool) comp->getProperties() [deleteComponentId])
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delete comp;
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}
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static Rectangle<int> getTabArea (Rectangle<int>& content, BorderSize<int>& outline,
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const TabbedButtonBar::Orientation orientation, const int tabDepth)
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{
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switch (orientation)
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{
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case TabbedButtonBar::TabsAtTop: outline.setTop (0); return content.removeFromTop (tabDepth);
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case TabbedButtonBar::TabsAtBottom: outline.setBottom (0); return content.removeFromBottom (tabDepth);
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case TabbedButtonBar::TabsAtLeft: outline.setLeft (0); return content.removeFromLeft (tabDepth);
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case TabbedButtonBar::TabsAtRight: outline.setRight (0); return content.removeFromRight (tabDepth);
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default: jassertfalse; break;
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}
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return Rectangle<int>();
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}
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}
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//==============================================================================
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class TabbedComponent::ButtonBar : public TabbedButtonBar
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{
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public:
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ButtonBar (TabbedComponent& owner_, const TabbedButtonBar::Orientation orientation_)
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: TabbedButtonBar (orientation_),
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owner (owner_)
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{
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}
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void currentTabChanged (int newCurrentTabIndex, const String& newTabName)
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{
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owner.changeCallback (newCurrentTabIndex, newTabName);
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}
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void popupMenuClickOnTab (int tabIndex, const String& tabName)
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{
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owner.popupMenuClickOnTab (tabIndex, tabName);
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}
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Colour getTabBackgroundColour (const int tabIndex)
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{
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return owner.tabs->getTabBackgroundColour (tabIndex);
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}
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TabBarButton* createTabButton (const String& tabName, int tabIndex)
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{
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return owner.createTabButton (tabName, tabIndex);
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}
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private:
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TabbedComponent& owner;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ButtonBar)
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};
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//==============================================================================
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TabbedComponent::TabbedComponent (const TabbedButtonBar::Orientation orientation)
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: tabDepth (30),
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outlineThickness (1),
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edgeIndent (0)
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{
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addAndMakeVisible (tabs = new ButtonBar (*this, orientation));
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}
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TabbedComponent::~TabbedComponent()
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{
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clearTabs();
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tabs = nullptr;
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}
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//==============================================================================
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void TabbedComponent::setOrientation (const TabbedButtonBar::Orientation orientation)
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{
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tabs->setOrientation (orientation);
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resized();
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}
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TabbedButtonBar::Orientation TabbedComponent::getOrientation() const noexcept
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{
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return tabs->getOrientation();
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}
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void TabbedComponent::setTabBarDepth (const int newDepth)
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{
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if (tabDepth != newDepth)
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{
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tabDepth = newDepth;
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resized();
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}
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}
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TabBarButton* TabbedComponent::createTabButton (const String& tabName, const int /*tabIndex*/)
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{
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return new TabBarButton (tabName, *tabs);
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}
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//==============================================================================
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void TabbedComponent::clearTabs()
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{
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if (panelComponent != nullptr)
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{
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panelComponent->setVisible (false);
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removeChildComponent (panelComponent);
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panelComponent = nullptr;
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}
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tabs->clearTabs();
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for (int i = contentComponents.size(); --i >= 0;)
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TabbedComponentHelpers::deleteIfNecessary (contentComponents.getReference (i));
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contentComponents.clear();
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}
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void TabbedComponent::addTab (const String& tabName,
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Colour tabBackgroundColour,
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Component* const contentComponent,
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const bool deleteComponentWhenNotNeeded,
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const int insertIndex)
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{
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contentComponents.insert (insertIndex, WeakReference<Component> (contentComponent));
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if (deleteComponentWhenNotNeeded && contentComponent != nullptr)
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contentComponent->getProperties().set (TabbedComponentHelpers::deleteComponentId, true);
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tabs->addTab (tabName, tabBackgroundColour, insertIndex);
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resized();
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}
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void TabbedComponent::setTabName (const int tabIndex, const String& newName)
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{
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tabs->setTabName (tabIndex, newName);
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}
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void TabbedComponent::removeTab (const int tabIndex)
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{
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if (isPositiveAndBelow (tabIndex, contentComponents.size()))
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{
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TabbedComponentHelpers::deleteIfNecessary (contentComponents.getReference (tabIndex));
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contentComponents.remove (tabIndex);
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tabs->removeTab (tabIndex);
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}
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}
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int TabbedComponent::getNumTabs() const
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{
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return tabs->getNumTabs();
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}
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StringArray TabbedComponent::getTabNames() const
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{
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return tabs->getTabNames();
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}
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Component* TabbedComponent::getTabContentComponent (const int tabIndex) const noexcept
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{
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return contentComponents [tabIndex];
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}
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Colour TabbedComponent::getTabBackgroundColour (const int tabIndex) const noexcept
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{
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return tabs->getTabBackgroundColour (tabIndex);
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}
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void TabbedComponent::setTabBackgroundColour (const int tabIndex, Colour newColour)
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{
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tabs->setTabBackgroundColour (tabIndex, newColour);
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if (getCurrentTabIndex() == tabIndex)
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repaint();
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}
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void TabbedComponent::setCurrentTabIndex (const int newTabIndex, const bool sendChangeMessage)
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{
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tabs->setCurrentTabIndex (newTabIndex, sendChangeMessage);
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}
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int TabbedComponent::getCurrentTabIndex() const
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{
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return tabs->getCurrentTabIndex();
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}
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String TabbedComponent::getCurrentTabName() const
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{
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return tabs->getCurrentTabName();
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}
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void TabbedComponent::setOutline (const int thickness)
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{
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outlineThickness = thickness;
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resized();
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repaint();
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}
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void TabbedComponent::setIndent (const int indentThickness)
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{
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edgeIndent = indentThickness;
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resized();
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repaint();
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}
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void TabbedComponent::paint (Graphics& g)
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{
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g.fillAll (findColour (backgroundColourId));
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Rectangle<int> content (getLocalBounds());
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BorderSize<int> outline (outlineThickness);
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TabbedComponentHelpers::getTabArea (content, outline, getOrientation(), tabDepth);
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g.reduceClipRegion (content);
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g.fillAll (tabs->getTabBackgroundColour (getCurrentTabIndex()));
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if (outlineThickness > 0)
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{
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RectangleList<int> rl (content);
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rl.subtract (outline.subtractedFrom (content));
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g.reduceClipRegion (rl);
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g.fillAll (findColour (outlineColourId));
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}
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}
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void TabbedComponent::resized()
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{
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Rectangle<int> content (getLocalBounds());
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BorderSize<int> outline (outlineThickness);
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tabs->setBounds (TabbedComponentHelpers::getTabArea (content, outline, getOrientation(), tabDepth));
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content = BorderSize<int> (edgeIndent).subtractedFrom (outline.subtractedFrom (content));
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for (int i = contentComponents.size(); --i >= 0;)
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if (Component* c = contentComponents.getReference(i))
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c->setBounds (content);
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}
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void TabbedComponent::lookAndFeelChanged()
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{
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for (int i = contentComponents.size(); --i >= 0;)
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if (Component* c = contentComponents.getReference(i))
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c->lookAndFeelChanged();
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}
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void TabbedComponent::changeCallback (const int newCurrentTabIndex, const String& newTabName)
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{
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Component* const newPanelComp = getTabContentComponent (getCurrentTabIndex());
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if (newPanelComp != panelComponent)
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{
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if (panelComponent != nullptr)
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{
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panelComponent->setVisible (false);
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removeChildComponent (panelComponent);
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}
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panelComponent = newPanelComp;
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if (panelComponent != nullptr)
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{
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// do these ops as two stages instead of addAndMakeVisible() so that the
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// component has always got a parent when it gets the visibilityChanged() callback
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addChildComponent (panelComponent);
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panelComponent->setVisible (true);
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panelComponent->toFront (true);
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}
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repaint();
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}
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resized();
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currentTabChanged (newCurrentTabIndex, newTabName);
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}
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void TabbedComponent::currentTabChanged (const int, const String&) {}
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void TabbedComponent::popupMenuClickOnTab (const int, const String&) {}
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