mirror of
https://github.com/csharpee/Map-Projections.git
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4c229f2111
I finished my thread-safing. Wow, threads are hard. I'm much more confident in my code's ability to run without mysterious unreproducable errors, now, though.
113 lines
4.0 KiB
Java
113 lines
4.0 KiB
Java
/**
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* MIT License
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*
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* Copyright (c) 2017 Justin Kunimune
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package dialogs;
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import javafx.concurrent.Worker;
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import javafx.geometry.Pos;
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import javafx.scene.control.Button;
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import javafx.scene.control.ButtonBar.ButtonData;
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import javafx.scene.control.ButtonType;
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import javafx.scene.control.Dialog;
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import javafx.scene.control.DialogPane;
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import javafx.scene.control.Label;
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import javafx.scene.control.ProgressBar;
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import javafx.scene.control.Tooltip;
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import javafx.scene.layout.HBox;
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import javafx.scene.layout.Priority;
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public class ProgressDialog<V> extends Dialog<V> {
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private static final double BAR_WIDTH = 250;
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private static final double WORD_WIDTH = 40;
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private final Worker<V> worker;
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private final ProgressBar bar;
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private final Label words;
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public static <V> void trackProgress(Worker<V> worker) { //track the worker with a nicely formatted prog
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ProgressDialog<V> dialog = new ProgressDialog<V>(worker);
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worker.runningProperty().addListener((wasRunning, isRunning, observable) -> {
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if (isRunning)
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dialog.show(); //show this automatically when the Worker runs
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else
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dialog.close(); //close this automatically when the Worker stops running
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});
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}
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public ProgressDialog(Worker<V> worker) {
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this.worker = worker;
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final DialogPane pane = this.getDialogPane();
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pane.getButtonTypes().add(ButtonType.CANCEL);
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((Button) pane.lookupButton(ButtonType.CANCEL)).setTooltip(new Tooltip("Please don't deactivate me!"));
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pane.setHeaderText("Please wait."); //the Worker's message is the header text
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worker.messageProperty().addListener((old, now, observable) -> { //but only once the message gets set
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pane.headerTextProperty().bind(worker.messageProperty());
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});
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this.words = new Label("\u2026");
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this.words.setMinWidth(WORD_WIDTH); //the words are the progress in text form;
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this.words.setAlignment(Pos.BASELINE_RIGHT);
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this.bar = new ProgressBar();
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this.bar.setPrefWidth(BAR_WIDTH);
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this.bar.progressProperty().addListener((old, now, observable) -> { //update the percentage text whenever the progress changes{
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if (now.doubleValue() >= 0) {
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String percentage = (Math.round(1000*now.doubleValue())/10.0)+"%";
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this.words.setText(percentage);
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this.setTitle("Please wait - "+percentage);
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}
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else {
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this.words.setText("\u2026");
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this.setTitle("Please wait.");
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}
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});
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this.bar.progressProperty().bind(worker.progressProperty()); //the ProgressBar tracks the Worker's progress, naturally;
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pane.setContent(new HBox(5, bar, words));
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HBox.setHgrow(bar, Priority.ALWAYS);
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this.setResultConverter((btn) -> { // set the return value
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if (btn.getButtonData() == ButtonData.CANCEL_CLOSE)
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this.worker.cancel();
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return this.worker.getValue();
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});
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}
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public void unbindAndSetProgress(double p) {
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this.bar.progressProperty().unbind();
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this.bar.setProgress(p);
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}
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public void unbindAndSetHeaderText(String text) {
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this.headerTextProperty().unbind();
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this.setHeaderText(text);
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}
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}
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