|
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374 |
- /*
- ==============================================================================
-
- This file is part of the JUCE library.
- Copyright (c) 2020 - Raw Material Software Limited
-
- JUCE is an open source library subject to commercial or open-source
- licensing.
-
- By using JUCE, you agree to the terms of both the JUCE 6 End-User License
- Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
-
- End User License Agreement: www.juce.com/juce-6-licence
- Privacy Policy: www.juce.com/juce-privacy-policy
-
- Or: You may also use this code under the terms of the GPL v3 (see
- www.gnu.org/licenses).
-
- JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
- EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
- DISCLAIMED.
-
- ==============================================================================
- */
-
-
- namespace juce
- {
-
- //==============================================================================
- class StringComparator
- {
- public:
- static int compareElements (var first, var second)
- {
- if (first.toString() > second.toString())
- return 1;
- else if (first.toString() < second.toString())
- return -1;
-
- return 0;
- }
- };
-
- static void updateButtonTickColour (ToggleButton* button, bool usingDefault)
- {
- button->setColour (ToggleButton::tickColourId, button->getLookAndFeel().findColour (ToggleButton::tickColourId)
- .withAlpha (usingDefault ? 0.4f : 1.0f));
- }
-
- //==============================================================================
- class MultiChoicePropertyComponent::MultiChoiceRemapperSource : public Value::ValueSource,
- private Value::Listener
- {
- public:
- MultiChoiceRemapperSource (const Value& source, var v, int c)
- : sourceValue (source),
- varToControl (v),
- maxChoices (c)
- {
- sourceValue.addListener (this);
- }
-
- var getValue() const override
- {
- if (auto* arr = sourceValue.getValue().getArray())
- if (arr->contains (varToControl))
- return true;
-
- return false;
- }
-
- void setValue (const var& newValue) override
- {
- if (auto* arr = sourceValue.getValue().getArray())
- {
- auto temp = *arr;
-
- if (static_cast<bool> (newValue))
- {
- if (temp.addIfNotAlreadyThere (varToControl) && (maxChoices != -1) && (temp.size() > maxChoices))
- temp.remove (temp.size() - 2);
- }
- else
- {
- temp.remove (arr->indexOf (varToControl));
- }
-
- StringComparator c;
- temp.sort (c);
-
- sourceValue = temp;
- }
- }
-
- private:
- Value sourceValue;
- var varToControl;
-
- int maxChoices;
-
- //==============================================================================
- void valueChanged (Value&) override { sendChangeMessage (true); }
-
- //==============================================================================
- JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiChoiceRemapperSource)
- };
-
- //==============================================================================
- class MultiChoicePropertyComponent::MultiChoiceRemapperSourceWithDefault : public Value::ValueSource,
- private Value::Listener
- {
- public:
- MultiChoiceRemapperSourceWithDefault (ValueWithDefault* vwd, var v, int c, ToggleButton* b)
- : valueWithDefault (vwd),
- varToControl (v),
- sourceValue (valueWithDefault->getPropertyAsValue()),
- maxChoices (c),
- buttonToControl (b)
- {
- sourceValue.addListener (this);
- }
-
- var getValue() const override
- {
- if (valueWithDefault == nullptr)
- return {};
-
- auto v = valueWithDefault->get();
-
- if (auto* arr = v.getArray())
- {
- if (arr->contains (varToControl))
- {
- updateButtonTickColour (buttonToControl, valueWithDefault->isUsingDefault());
- return true;
- }
- }
-
- return false;
- }
-
- void setValue (const var& newValue) override
- {
- if (valueWithDefault == nullptr)
- return;
-
- auto v = valueWithDefault->get();
-
- OptionalScopedPointer<Array<var>> arrayToControl;
-
- if (valueWithDefault->isUsingDefault())
- arrayToControl.set (new Array<var>(), true); // use an empty array so the default values are overwritten
- else
- arrayToControl.set (v.getArray(), false);
-
- if (arrayToControl != nullptr)
- {
- auto temp = *arrayToControl;
-
- bool newState = newValue;
-
- if (valueWithDefault->isUsingDefault())
- {
- if (auto* defaultArray = v.getArray())
- {
- if (defaultArray->contains (varToControl))
- newState = true; // force the state as the user is setting it explicitly
- }
- }
-
- if (newState)
- {
- if (temp.addIfNotAlreadyThere (varToControl) && (maxChoices != -1) && (temp.size() > maxChoices))
- temp.remove (temp.size() - 2);
- }
- else
- {
- temp.remove (temp.indexOf (varToControl));
- }
-
- StringComparator c;
- temp.sort (c);
-
- *valueWithDefault = temp;
-
- if (temp.size() == 0)
- valueWithDefault->resetToDefault();
- }
- }
-
- private:
- //==============================================================================
- void valueChanged (Value&) override { sendChangeMessage (true); }
-
- //==============================================================================
- WeakReference<ValueWithDefault> valueWithDefault;
- var varToControl;
- Value sourceValue;
-
- int maxChoices;
-
- ToggleButton* buttonToControl;
-
- //==============================================================================
- JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiChoiceRemapperSourceWithDefault)
- };
-
- //==============================================================================
- int MultiChoicePropertyComponent::getTotalButtonsHeight (int numButtons)
- {
- return numButtons * buttonHeight + 1;
- }
-
- MultiChoicePropertyComponent::MultiChoicePropertyComponent (const String& propertyName,
- const StringArray& choices,
- const Array<var>& correspondingValues)
- : PropertyComponent (propertyName, jmin (getTotalButtonsHeight (choices.size()), collapsedHeight))
- {
- // The array of corresponding values must contain one value for each of the items in
- // the choices array!
- jassert (choices.size() == correspondingValues.size());
- ignoreUnused (correspondingValues);
-
- for (auto choice : choices)
- addAndMakeVisible (choiceButtons.add (new ToggleButton (choice)));
-
- if (preferredHeight >= collapsedHeight)
- {
- expandable = true;
- maxHeight = getTotalButtonsHeight (choiceButtons.size()) + expandAreaHeight;
- }
-
- if (isExpandable())
- {
- {
- Path expandShape;
- expandShape.addTriangle ({ 0, 0 }, { 5, 10 }, { 10, 0});
- expandButton.setShape (expandShape, true, true, false);
- }
-
- expandButton.onClick = [this] { setExpanded (! expanded); };
- addAndMakeVisible (expandButton);
-
- lookAndFeelChanged();
- }
- }
-
- MultiChoicePropertyComponent::MultiChoicePropertyComponent (const Value& valueToControl,
- const String& propertyName,
- const StringArray& choices,
- const Array<var>& correspondingValues,
- int maxChoices)
- : MultiChoicePropertyComponent (propertyName, choices, correspondingValues)
- {
- // The value to control must be an array!
- jassert (valueToControl.getValue().isArray());
-
- for (int i = 0; i < choiceButtons.size(); ++i)
- choiceButtons[i]->getToggleStateValue().referTo (Value (new MultiChoiceRemapperSource (valueToControl,
- correspondingValues[i],
- maxChoices)));
- }
-
- MultiChoicePropertyComponent::MultiChoicePropertyComponent (ValueWithDefault& valueToControl,
- const String& propertyName,
- const StringArray& choices,
- const Array<var>& correspondingValues,
- int maxChoices)
- : MultiChoicePropertyComponent (propertyName, choices, correspondingValues)
- {
- valueWithDefault = &valueToControl;
-
- // The value to control must be an array!
- jassert (valueWithDefault->get().isArray());
-
- for (int i = 0; i < choiceButtons.size(); ++i)
- choiceButtons[i]->getToggleStateValue().referTo (Value (new MultiChoiceRemapperSourceWithDefault (valueWithDefault,
- correspondingValues[i],
- maxChoices,
- choiceButtons[i])));
-
- valueWithDefault->onDefaultChange = [this] { repaint(); };
- }
-
- MultiChoicePropertyComponent::~MultiChoicePropertyComponent()
- {
- if (valueWithDefault != nullptr)
- valueWithDefault->onDefaultChange = nullptr;
- }
-
- void MultiChoicePropertyComponent::paint (Graphics& g)
- {
- g.setColour (findColour (TextEditor::backgroundColourId));
- g.fillRect (getLookAndFeel().getPropertyComponentContentPosition (*this));
-
- if (isExpandable() && ! isExpanded())
- {
- g.setColour (findColour (TextEditor::backgroundColourId).contrasting().withAlpha (0.4f));
- g.drawFittedText ("+ " + String (numHidden) + " more", getLookAndFeel().getPropertyComponentContentPosition (*this)
- .removeFromBottom (expandAreaHeight).withTrimmedLeft (10),
- Justification::centredLeft, 1);
- }
-
- PropertyComponent::paint (g);
- }
-
- void MultiChoicePropertyComponent::resized()
- {
- auto bounds = getLookAndFeel().getPropertyComponentContentPosition (*this);
-
- if (isExpandable())
- {
- bounds.removeFromBottom (5);
-
- auto buttonSlice = bounds.removeFromBottom (10);
- expandButton.setSize (10, 10);
- expandButton.setCentrePosition (buttonSlice.getCentre());
- }
-
- numHidden = 0;
-
- for (auto* b : choiceButtons)
- {
- if (bounds.getHeight() >= buttonHeight)
- {
- b->setVisible (true);
- b->setBounds (bounds.removeFromTop (buttonHeight).reduced (5, 2));
- }
- else
- {
- b->setVisible (false);
- ++numHidden;
- }
- }
- }
-
- void MultiChoicePropertyComponent::setExpanded (bool shouldBeExpanded) noexcept
- {
- if (! isExpandable() || (isExpanded() == shouldBeExpanded))
- return;
-
- expanded = shouldBeExpanded;
- preferredHeight = expanded ? maxHeight : collapsedHeight;
-
- if (auto* propertyPanel = findParentComponentOfClass<PropertyPanel>())
- propertyPanel->resized();
-
- if (onHeightChange != nullptr)
- onHeightChange();
-
- expandButton.setTransform (AffineTransform::rotation (expanded ? MathConstants<float>::pi : MathConstants<float>::twoPi,
- (float) expandButton.getBounds().getCentreX(),
- (float) expandButton.getBounds().getCentreY()));
-
- resized();
- }
-
- //==============================================================================
- void MultiChoicePropertyComponent::lookAndFeelChanged()
- {
- auto iconColour = findColour (TextEditor::backgroundColourId).contrasting();
- expandButton.setColours (iconColour, iconColour.darker(), iconColour.darker());
-
- if (valueWithDefault != nullptr)
- {
- auto usingDefault = valueWithDefault->isUsingDefault();
-
- for (auto* button : choiceButtons)
- updateButtonTickColour (button, usingDefault);
- }
- }
-
- } // namespace juce
|