Initial App files

src/main/java/org/luwrain/app/viewer/App.java

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+/*
+ Copyright 2012-2018 Michael Pozhidaev <[email protected]>
+
+ This file is part of LUWRAIN.
+
+ LUWRAIN 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 3 of the License, or (at your option) any later version.
+
+ LUWRAIN 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.
+*/
+
+package org.luwrain.app.viewer;
+
+import java.util.*;
+import java.io.*;
+
+import org.luwrain.core.*;
+import org.luwrain.core.events.*;
+import org.luwrain.controls.*;
+
+class App implements Application
+{
+ private Luwrain luwrain = null;
+ private Strings strings = null;
+ private NavigationArea area = null;
+ private final File arg;
+
+ App()
+ {
+ arg = null;
+ }
+
+ App(File arg)
+ {
+ NullCheck.notNull(arg, "arg");
+ this.arg = arg;
+ }
+
+ @Override public InitResult onLaunchApp(Luwrain luwrain)
+ {
+ NullCheck.notNull(luwrain, "luwrain");
+ final Object o = luwrain.i18n().getStrings(Strings.NAME);
+ if (o == null || !(o instanceof Strings))
+ return new InitResult(InitResult.Type.NO_STRINGS_OBJ, Strings.NAME);
+ this.strings = (Strings)o;
+ this.luwrain = luwrain;
+ createArea();
+ return new InitResult();
+ }
+
+ private void createArea()
+ {
+ this.area = new NavigationArea(new DefaultControlEnvironment(luwrain)) {
+ @Override public String getLine(int index)
+ {
+ return "";
+ }
+ @Override public int getLineCount()
+ {
+ return 1;
+ }
+ @Override public boolean onInputEvent(KeyboardEvent event)
+ {
+ NullCheck.notNull(event, "event");
+ if (event.isSpecial() && !event.isModified())
+ switch(event.getSpecial())
+ {
+ case ESCAPE:
+ closeApp();
+ return true;
+ }
+ return super.onInputEvent(event);
+ }
+ @Override public boolean onSystemEvent(EnvironmentEvent event)
+ {
+ NullCheck.notNull(event, "event");
+ if (event.getType() != EnvironmentEvent.Type.REGULAR)
+ return super.onSystemEvent(event);
+ switch(event.getCode())
+ {
+ case CLOSE:
+ closeApp();
+ return true;
+ /*
+ {
+ try {
+ luwrain.createPdfPreview((ev)->{
+ return false;
+ }, new File("/tmp/pr.pdf"));
+ }
+ catch(Exception e)
+ {
+ luwrain.crash(e);
+ }
+ return true;
+ */
+ default:
+ return super.onSystemEvent(event);
+ }
+ }
+ @Override public String getAreaName()
+ {
+ return arg.getName();
+ }
+ };
+ }
+
+ @Override public void closeApp()
+ {
+ luwrain.closeApp();
+ }
+
+ @Override public AreaLayout getAreaLayout()
+ {
+ return new AreaLayout(area);
+ }
+
+ @Override public String getAppName()
+ {
+ return strings.appName();
+ }
+}

src/main/java/org/luwrain/app/viewer/Strings.java

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+/*
+ Copyright 2012-2018 Michael Pozhidaev <[email protected]>
+
+ This file is part of LUWRAIN.
+
+ LUWRAIN 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 3 of the License, or (at your option) any later version.
+
+ LUWRAIN 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.
+*/
+
+package org.luwrain.app.viewer;
+
+public interface Strings
+{
+ static final String NAME = "luwrain.viewer";
+
+ String appName();
+ }