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44 lines
1.4 KiB
Plaintext
Executable File
44 lines
1.4 KiB
Plaintext
Executable File
# Copyright 2012-2014 Institut National des Sciences Appliquées de Lyon (INSA-Lyon)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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module samples.SwingActionListener
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import java.awt.event
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import javax.swing
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import javax.swing.WindowConstants
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local function listener = |handler| -> asInterfaceInstance(ActionListener.class, handler)
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function main = |args| {
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let frame = JFrame("Action listeners")
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frame: setDefaultCloseOperation(EXIT_ON_CLOSE())
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let button = JButton("Click me!")
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button: setFont(button: getFont(): deriveFont(96.0_F))
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# Using a helper function
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button: addActionListener(listener(|event| -> println("Clicked!")))
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# Using a standard augmentation: MethodHandle::to(Class)
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button: addActionListener((|event| -> println("[click]")): to(ActionListener.class))
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# Straight closure passing
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button: addActionListener(|event| -> println("( )"))
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frame: getContentPane(): add(button)
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frame: pack()
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frame: setVisible(true)
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}
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