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Bindings.scala
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Bindings.scala
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/*
* Copyright (c) 2011-2016, ScalaFX Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the ScalaFX Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE SCALAFX PROJECT OR ITS CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package scalafx.beans.binding
import javafx.beans.{binding => jfxbb, value => jfxbv}
import scalafx.beans.Observable
import scalafx.beans.binding.BindingIncludes._
import scalafx.beans.value.ObservableValue
import scalafx.delegate.SFXDelegate
object Bindings extends Bindings
/**
* Contains Methods for Bindings.
*
* @define JFX JavaFX
*/
trait Bindings {
/**
* Returns the highest value among a collection of $JFX
* [[http://docs.oracle.com/javase/8/javafx/api/javafx/beans/value/ObservableNumberValue.html `ObservableNumberValue`]]s.
*
* @param v1 First Value
* @param values Collection of values
* @return The highest Value
*/
def min(v1: jfxbv.ObservableNumberValue, values: jfxbv.ObservableNumberValue*) = (v1 /: values) (jfxbb.Bindings.min)
/**
* Returns the Lowest value among a collection of $JFX
* [[http://docs.oracle.com/javase/8/javafx/api/javafx/beans/value/ObservableNumberValue.html `ObservableNumberValue`]]s.
*
* @param v1 First Value
* @param values Collection of values
* @return The Lowest Value
*/
def max(v1: jfxbv.ObservableNumberValue, values: jfxbv.ObservableNumberValue*) = (v1 /: values) (jfxbb.Bindings.max)
/**
* Returns the sum of a collection of $JFX
* [[http://docs.oracle.com/javase/8/javafx/api/javafx/beans/value/ObservableNumberValue.html `ObservableNumberValue`]]s.
*
* @param v1 First Value
* @param values Collection of values
* @return The Value sum.
*/
def add(v1: jfxbv.ObservableNumberValue, values: jfxbv.ObservableNumberValue*) = (v1 /: values) (jfxbb.Bindings.add)
/**
*
* @param condition Function that returns a $JFX
* [[http://docs.oracle.com/javase/8/javafx/api/javafx/beans/value/ObservableBooleanValue.html `ObservableBooleanValue`]]
* @return A ConditionBuilder wrapping `condition`.
*/
def when(condition: => jfxbv.ObservableBooleanValue) = new ConditionBuilder(new jfxbb.When(condition))
protected class ConditionBuilder(whenBuilder: jfxbb.When) {
def choose(chooseExpression: NumberBinding) = new NumberConditionBuilder(whenBuilder.`then`(chooseExpression.delegate))
def choose(chooseExpression: jfxbv.ObservableNumberValue) = new NumberConditionBuilder(whenBuilder.`then`(chooseExpression))
def choose(chooseExpression: Int) = new NumberConditionBuilder(whenBuilder.`then`(chooseExpression))
def choose(chooseExpression: Long) = new NumberConditionBuilder(whenBuilder.`then`(chooseExpression))
def choose(chooseExpression: Float) = new NumberConditionBuilder(whenBuilder.`then`(chooseExpression))
def choose(chooseExpression: Double) = new NumberConditionBuilder(whenBuilder.`then`(chooseExpression))
def choose[T](chooseExpression: jfxbv.ObservableBooleanValue) = new BooleanConditionBuilder(whenBuilder.`then`(chooseExpression))
def choose[T](chooseExpression: Boolean) = new BooleanConditionBuilder(whenBuilder.`then`(chooseExpression))
def choose[T](chooseExpression: jfxbv.ObservableStringValue) = new StringConditionBuilder(whenBuilder.`then`(chooseExpression))
def choose[T](chooseExpression: String) = new StringConditionBuilder(whenBuilder.`then`(chooseExpression))
// explicit conversion needed due to T(Any) typed method
def choose[T](chooseExpression: ObservableValue[T, T]) = new ObjectConditionBuilder[T](whenBuilder.`then`(ObservableValue.sfxObservableValue2jfxObjectValue[T](chooseExpression)))
def choose[T](chooseExpression: jfxbv.ObservableObjectValue[T]) = new ObjectConditionBuilder[T](whenBuilder.`then`(chooseExpression))
def choose[T](chooseExpression: T) = new ObjectConditionBuilder[T](whenBuilder.`then`(chooseExpression))
/** Create `ObjectConditionBuilder` with type of the delegate rather than wrapping SFX.
*
* This is addressing problems pointed in Issue 16 - inability to bind an expression to JFX property
* when `thenValue` is a SFX wrapper. */
def choose[J <: Object](chooseExpression: SFXDelegate[J]) = new ObjectConditionBuilder[J](whenBuilder.`then`(chooseExpression.delegate))
}
protected class NumberConditionBuilder(whenBuilder: jfxbb.When#NumberConditionBuilder) {
def otherwise(otherwiseExpression: jfxbv.ObservableNumberValue) = whenBuilder.otherwise(otherwiseExpression)
def otherwise(otherwiseExpression: Int) = whenBuilder.otherwise(otherwiseExpression)
def otherwise(otherwiseExpression: Long) = whenBuilder.otherwise(otherwiseExpression)
def otherwise(otherwiseExpression: Float) = whenBuilder.otherwise(otherwiseExpression)
def otherwise(otherwiseExpression: Double) = whenBuilder.otherwise(otherwiseExpression)
}
protected class BooleanConditionBuilder(whenBuilder: jfxbb.When#BooleanConditionBuilder) {
def otherwise(otherwiseExpression: jfxbv.ObservableBooleanValue) = whenBuilder.otherwise(otherwiseExpression)
def otherwise(otherwiseExpression: Boolean) = whenBuilder.otherwise(otherwiseExpression)
}
protected class StringConditionBuilder(whenBuilder: jfxbb.When#StringConditionBuilder) {
def otherwise(otherwiseExpression: jfxbv.ObservableStringValue) = whenBuilder.otherwise(otherwiseExpression)
def otherwise(otherwiseExpression: String) = whenBuilder.otherwise(otherwiseExpression)
}
protected class ObjectConditionBuilder[T](whenBuilder: jfxbb.When#ObjectConditionBuilder[T]) {
// explicit conversion needed due to T(Any) typed method
def otherwise(otherwiseExpression: ObservableValue[T, T]) = whenBuilder.otherwise(ObservableValue.sfxObservableValue2jfxObjectValue[T](otherwiseExpression))
def otherwise(otherwiseExpression: jfxbv.ObservableObjectValue[T]) = whenBuilder.otherwise(otherwiseExpression)
def otherwise(otherwiseExpression: T) = whenBuilder.otherwise(otherwiseExpression)
}
/**
* Helper function to create a custom BooleanBinding.
*
* Wraps a JavaFX [[https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Bindings.html#createBooleanBinding-java.util.concurrent.Callable-javafx.beans.Observable...- Bindings.createBooleanBinding]].
*
* @param func The function that calculates the value of this binding
* @param dependencies The dependencies of this binding
* @return The generated binding
*/
def createBooleanBinding(func: () => Boolean, dependencies: Observable*): BooleanBinding = {
import java.util.{concurrent => jfxuc}
import javafx.beans.{binding => jfxbb}
jfxbb.Bindings.createBooleanBinding(
new jfxuc.Callable[java.lang.Boolean] {
override def call() = func()
},
dependencies.map(_.delegate): _*)
}
/**
* Helper function to create a custom DoubleBinding.
*
* Wraps a JavaFX [[https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Bindings.html#createDoubleBinding-java.util.concurrent.Callable-javafx.beans.Observable...- Bindings.createDoubleBinding]].
*
* @param func The function that calculates the value of this binding
* @param dependencies The dependencies of this binding
* @return The generated binding
*/
def createDoubleBinding(func: () => Double, dependencies: Observable*): jfxbb.DoubleBinding = {
import java.util.{concurrent => jfxuc}
import javafx.beans.{binding => jfxbb}
jfxbb.Bindings.createDoubleBinding(
new jfxuc.Callable[java.lang.Double] {
override def call() = func()
},
dependencies.map(_.delegate): _*)
}
/**
* Helper function to create a custom FloatBinding.
*
* Wraps a JavaFX [[https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Bindings.html#createFloatBinding-java.util.concurrent.Callable-javafx.beans.Observable...- Bindings.createFloatBinding]].
*
* @param func The function that calculates the value of this binding
* @param dependencies The dependencies of this binding
* @return The generated binding
*/
def createFloatBinding(func: () => Float, dependencies: Observable*): jfxbb.FloatBinding = {
import java.util.{concurrent => jfxuc}
import javafx.beans.{binding => jfxbb}
jfxbb.Bindings.createFloatBinding(
new jfxuc.Callable[java.lang.Float] {
override def call() = func()
},
dependencies.map(_.delegate): _*)
}
/**
* Helper function to create a custom IntegerBinding.
*
* Wraps a JavaFX [[https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Bindings.html#createIntegerBinding-java.util.concurrent.Callable-javafx.beans.Observable...- Bindings.createIntegerBinding]].
*
* @param func The function that calculates the value of this binding
* @param dependencies The dependencies of this binding
* @return The generated binding
*/
def createIntegerBinding(func: () => Int, dependencies: Observable*): jfxbb.IntegerBinding = {
import java.util.{concurrent => jfxuc}
import javafx.beans.{binding => jfxbb}
jfxbb.Bindings.createIntegerBinding(
new jfxuc.Callable[java.lang.Integer] {
override def call() = func()
},
dependencies.map(_.delegate): _*)
}
/**
* Helper function to create a custom LongBinding.
*
* Wraps a JavaFX [[https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Bindings.html#createLongBinding-java.util.concurrent.Callable-javafx.beans.Observable...- Bindings.createLongBinding]].
*
* @param func The function that calculates the value of this binding
* @param dependencies The dependencies of this binding
* @return The generated binding
*/
def createLongBinding(func: () => Long, dependencies: Observable*): jfxbb.LongBinding = {
import java.util.{concurrent => jfxuc}
import javafx.beans.{binding => jfxbb}
jfxbb.Bindings.createLongBinding(
new jfxuc.Callable[java.lang.Long] {
override def call() = func()
},
dependencies.map(_.delegate): _*)
}
/**
* Helper function to create a custom ObjectBinding.
*
* Wraps a JavaFX [[https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Bindings.html#createObjectBinding-java.util.concurrent.Callable-javafx.beans.Observable...- Bindings.createObjectBinding]].
*
* @param func The function that calculates the value of this binding
* @param dependencies The dependencies of this binding
* @return The generated binding
*/
def createObjectBinding[T](func: () => T, dependencies: Observable*): ObjectBinding[T] = {
import java.util.{concurrent => jfxuc}
import javafx.beans.{binding => jfxbb}
jfxbb.Bindings.createObjectBinding(
new jfxuc.Callable[T] {
override def call() = func()
},
dependencies.map(_.delegate): _*)
}
/**
* Helper function to create a custom StringBinding.
*
* Wraps a JavaFX [[https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Bindings.html#createStringBinding-java.util.concurrent.Callable-javafx.beans.Observable...- Bindings.createStringBinding]].
*
* @param func The function that calculates the value of this binding
* @param dependencies The dependencies of this binding
* @return The generated binding
*/
def createStringBinding(func: () => String, dependencies: Observable*): StringBinding = {
import java.util.{concurrent => jfxuc}
import javafx.beans.{binding => jfxbb}
jfxbb.Bindings.createStringBinding(
new jfxuc.Callable[String] {
override def call() = func()
},
dependencies.map(_.delegate): _*)
}
}