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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.
==============================================================================
*/
class GenericComponent : public Component
{
public:
GenericComponent()
: Component ("new component"),
actualClassName ("Component")
{
}
void paint (Graphics& g) override
{
g.fillAll (Colours::white.withAlpha (0.25f));
g.setColour (Colours::black.withAlpha (0.5f));
g.drawRect (getLocalBounds());
g.drawLine (0.0f, 0.0f, (float) getWidth(), (float) getHeight());
g.drawLine (0.0f, (float) getHeight(), (float) getWidth(), 0.0f);
g.setFont (14.0f);
g.drawText (actualClassName, 0, 0, getWidth(), getHeight() / 2, Justification::centred, true);
}
void setClassName (const String& newName)
{
if (actualClassName != newName)
{
actualClassName = newName;
repaint();
}
}
void setParams (const String& newParams)
{
if (constructorParams != newParams)
{
constructorParams = newParams;
repaint();
}
}
String actualClassName, constructorParams;
};
//==============================================================================
class GenericComponentHandler : public ComponentTypeHandler
{
public:
GenericComponentHandler()
: ComponentTypeHandler ("Generic Component", "GenericComponent", typeid (GenericComponent), 150, 24)
{}
Component* createNewComponent (JucerDocument*)
{
return new GenericComponent();
}
XmlElement* createXmlFor (Component* comp, const ComponentLayout* layout)
{
XmlElement* e = ComponentTypeHandler::createXmlFor (comp, layout);
e->setAttribute ("class", ((GenericComponent*) comp)->actualClassName);
e->setAttribute ("params", ((GenericComponent*) comp)->constructorParams);
return e;
}
bool restoreFromXml (const XmlElement& xml, Component* comp, const ComponentLayout* layout)
{
if (! ComponentTypeHandler::restoreFromXml (xml, comp, layout))
return false;
((GenericComponent*) comp)->actualClassName = xml.getStringAttribute ("class", "Component");
((GenericComponent*) comp)->constructorParams = xml.getStringAttribute ("params", String());
return true;
}
void getEditableProperties (Component* component, JucerDocument& document, Array<PropertyComponent*>& props)
{
ComponentTypeHandler::getEditableProperties (component, document, props);
props.add (new GenericCompClassProperty (dynamic_cast<GenericComponent*> (component), document));
props.add (new GenericCompParamsProperty (dynamic_cast<GenericComponent*> (component), document));
}
String getClassName (Component* comp) const
{
return static_cast<GenericComponent*> (comp)->actualClassName;
}
String getCreationParameters (GeneratedCode&, Component* comp)
{
return static_cast<GenericComponent*> (comp)->constructorParams;
}
void fillInCreationCode (GeneratedCode& code, Component* component, const String& memberVariableName)
{
ComponentTypeHandler::fillInCreationCode (code, component, memberVariableName);
if (component->getName().isNotEmpty())
code.constructorCode
<< memberVariableName << "->setName ("
<< quotedString (component->getName(), false)
<< ");\n\n";
else
code.constructorCode << "\n";
}
private:
class GenericCompClassProperty : public ComponentTextProperty <GenericComponent>
{
public:
GenericCompClassProperty (GenericComponent* comp, JucerDocument& doc)
: ComponentTextProperty <GenericComponent> ("class", 300, false, comp, doc)
{
}
void setText (const String& newText) override
{
document.perform (new GenericCompClassChangeAction (component, *document.getComponentLayout(),
CodeHelpers::makeValidIdentifier (newText, false, false, true)),
"Change generic component class");
}
String getText() const override
{
return component->actualClassName;
}
private:
class GenericCompClassChangeAction : public ComponentUndoableAction <GenericComponent>
{
public:
GenericCompClassChangeAction (GenericComponent* const comp, ComponentLayout& l, const String& newState_)
: ComponentUndoableAction <GenericComponent> (comp, l),
newState (newState_)
{
oldState = comp->actualClassName;
}
bool perform()
{
showCorrectTab();
getComponent()->setClassName (newState);
changed();
return true;
}
bool undo()
{
showCorrectTab();
getComponent()->setClassName (oldState);
changed();
return true;
}
String newState, oldState;
};
};
class GenericCompParamsProperty : public ComponentTextProperty <GenericComponent>
{
public:
GenericCompParamsProperty (GenericComponent* comp, JucerDocument& doc)
: ComponentTextProperty <GenericComponent> ("constructor params", 1024, true, comp, doc)
{
}
void setText (const String& newText) override
{
document.perform (new GenericCompParamsChangeAction (component, *document.getComponentLayout(), newText),
"Change generic component class");
}
String getText() const override
{
return component->constructorParams;
}
private:
class GenericCompParamsChangeAction : public ComponentUndoableAction <GenericComponent>
{
public:
GenericCompParamsChangeAction (GenericComponent* const comp, ComponentLayout& l, const String& newState_)
: ComponentUndoableAction <GenericComponent> (comp, l),
newState (newState_)
{
oldState = comp->constructorParams;
}
bool perform()
{
showCorrectTab();
getComponent()->setParams (newState);
changed();
return true;
}
bool undo()
{
showCorrectTab();
getComponent()->setParams (oldState);
changed();
return true;
}
String newState, oldState;
};
};
};
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