Java tutorial
/*Copyright 2017 Mat Nmen This file is part of FilmTit. FilmTit is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2.0 of the License, or (at your option) any later version. FilmTit 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. You should have received a copy of the GNU General Public License along with FilmTit. If not, see <http://www.gnu.org/licenses/>.*/ package cz.filmtit.client.dialogs; import java.util.ArrayList; import com.github.gwtbootstrap.client.ui.CellTable; import com.github.gwtbootstrap.client.ui.Paragraph; import com.github.gwtbootstrap.client.ui.Form; import com.github.gwtbootstrap.client.ui.SubmitButton; import com.github.gwtbootstrap.client.ui.Button; import com.github.gwtbootstrap.client.ui.TextBox; import com.google.gwt.cell.client.FieldUpdater; import com.google.gwt.cell.client.TextInputCell; import com.google.gwt.core.client.GWT; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; import com.google.gwt.uibinder.client.UiHandler; import com.google.gwt.user.cellview.client.Column; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.DialogBox; import com.google.gwt.user.client.ui.Widget; import cz.filmtit.client.callables.AddSubtitleItem; import cz.filmtit.client.pages.TranslationWorkspace; import cz.filmtit.share.ChunkIndex; import cz.filmtit.share.Language; import cz.filmtit.share.SrtTime; import cz.filmtit.share.TimedChunk; import cz.filmtit.share.TranslationResult; import cz.filmtit.share.exceptions.InvalidValueException; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; /** * * @author Mat Nmen */ public class AddSubtitleItemDialog extends Dialog { private SrtTime startTimeWorking; private SrtTime endTimeWorking; private TranslationWorkspace workspace; private TimedChunk newChunk; private static AddSubtitleItemDialogUiBinder uiBinder = GWT.create(AddSubtitleItemDialogUiBinder.class); interface AddSubtitleItemDialogUiBinder extends UiBinder<Widget, AddSubtitleItemDialog> { } public AddSubtitleItemDialog(TranslationWorkspace workspace) { initWidget(uiBinder.createAndBindUi(this)); this.workspace = workspace; try { startTimeWorking = new SrtTime(0, 0, 0, 0); endTimeWorking = new SrtTime(0, 0, 0, 0); } catch (InvalidValueException ex) { Logger.getLogger(AddSubtitleItemDialog.class.getName()).log(Level.SEVERE, null, ex); } initTable(); } /** * create the table */ private void initTable() { // create columns Column<SrtTime, String> hColumn = new Column<SrtTime, String>(new TextInputCell()) { @Override public String getValue(SrtTime time) { return time.getStringH(); } }; Column<SrtTime, String> mColumn = new Column<SrtTime, String>(new TextInputCell()) { @Override public String getValue(SrtTime time) { return time.getStringM(); } }; Column<SrtTime, String> sColumn = new Column<SrtTime, String>(new TextInputCell()) { @Override public String getValue(SrtTime time) { return time.getStringS(); } }; Column<SrtTime, String> tColumn = new Column<SrtTime, String>(new TextInputCell()) { @Override public String getValue(SrtTime time) { return time.getStringT(); } }; // add column styles hColumn.setCellStyleNames("numerical2digits"); mColumn.setCellStyleNames("numerical2digits"); sColumn.setCellStyleNames("numerical2digits"); tColumn.setCellStyleNames("numerical3digits"); // add column update handlers hColumn.setFieldUpdater(new FieldUpdater<SrtTime, String>() { @Override public void update(int index, SrtTime time, String value) { try { time.setH(value); } catch (InvalidValueException e) { Window.alert(e.getLocalizedMessage()); } } }); mColumn.setFieldUpdater(new FieldUpdater<SrtTime, String>() { @Override public void update(int index, SrtTime time, String value) { try { time.setM(value); } catch (InvalidValueException e) { Window.alert(e.getLocalizedMessage()); } } }); sColumn.setFieldUpdater(new FieldUpdater<SrtTime, String>() { @Override public void update(int index, SrtTime time, String value) { try { time.setS(value); } catch (InvalidValueException e) { Window.alert(e.getLocalizedMessage()); } } }); tColumn.setFieldUpdater(new FieldUpdater<SrtTime, String>() { @Override public void update(int index, SrtTime time, String value) { try { time.setT(value); } catch (InvalidValueException e) { Window.alert(e.getLocalizedMessage()); } } }); // add columns to table //timesTable = new CellTable<SrtTime>(); timesTable.addColumn(hColumn, "hour"); timesTable.addColumn(mColumn, "minute"); timesTable.addColumn(sColumn, "second"); timesTable.addColumn(tColumn, "milisecond"); // add the data ArrayList<SrtTime> rowData = new ArrayList<SrtTime>(2); rowData.add(startTimeWorking); rowData.add(endTimeWorking); // timesTable.setRowData(rowData); // timesTable.setRowCount(2, true); //timesTable.setVisibleRange(new Range(0, 2)); timesTable.setRowData(0, rowData); // show the table timesTable.redraw(); } @UiField Form timesForm; @UiField TextBox sourceText; @UiField CellTable<SrtTime> timesTable; @UiField Paragraph timeValue; @UiField Button cancelButton; @UiHandler("cancelButton") void cancel(ClickEvent e) { dialogBox.hide(); } @UiField SubmitButton submitButton; @UiHandler("timesForm") void submit(Form.SubmitEvent e) { deactivateBtn(); if (checkTimes() && checkSourceString()) { int newId = getMaxId() + 1; Language language = workspace.getCurrentDocument().getLanguage(); newChunk = new TimedChunk(startTimeWorking.toString().replaceAll(" ", ""), endTimeWorking.toString().replaceAll(" ", ""), 1, sourceText.getValue(), newId, workspace.getCurrentDocument().getId()); newChunk.setDocumentId(workspace.getCurrentDocument().getId()); new AddSubtitleItem(newChunk, workspace); dialogBox.hide(); } else { reactivateBtn(); } } private int getMaxId() { Map<ChunkIndex, TranslationResult> translationResults = workspace.getCurrentDocument() .getTranslationResults(); ChunkIndex max = null; for (ChunkIndex key : translationResults.keySet()) { if (max == null) { max = key; } else { if (key.compareTo(max) > 0) { max = key; } } } if (max == null) { return 0; } return max.getId(); } /** * Check whether the timing is OK. * * @return */ private boolean checkTimes() { if (startTimeWorking.compareTo(endTimeWorking) == -1) { return true; } else { Window.alert("The beginning time must be earlier than the end time!"); return false; } } private boolean checkSourceString() { if (sourceText.getValue().isEmpty()) { Window.alert("Source text cannot be empty"); return false; } else { return true; } } private void deactivateBtn() { submitButton.setEnabled(false); } private void reactivateBtn() { submitButton.setEnabled(true); } }