Java tutorial
/******************************************************************************* * Copyright 2014 Rafael Garcia Moreno. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package com.bladecoder.engineeditor.ui; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.io.IOException; import java.util.Arrays; import java.util.HashMap; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.graphics.Color; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.OrthographicCamera; import com.badlogic.gdx.graphics.Pixmap.Format; import com.badlogic.gdx.graphics.g2d.Batch; import com.badlogic.gdx.graphics.g2d.SpriteBatch; import com.badlogic.gdx.graphics.g2d.TextureAtlas; import com.badlogic.gdx.graphics.g2d.TextureAtlas.AtlasRegion; import com.badlogic.gdx.graphics.g2d.TextureRegion; import com.badlogic.gdx.graphics.glutils.FrameBuffer; import com.badlogic.gdx.scenes.scene2d.Actor; import com.badlogic.gdx.scenes.scene2d.ui.HorizontalGroup; import com.badlogic.gdx.scenes.scene2d.ui.ImageButton; import com.badlogic.gdx.scenes.scene2d.ui.Label; import com.badlogic.gdx.scenes.scene2d.ui.SelectBox; import com.badlogic.gdx.scenes.scene2d.ui.Skin; import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener; import com.badlogic.gdx.utils.Array; import com.badlogic.gdx.utils.ScreenUtils; import com.bladecoder.engine.model.Scene; import com.bladecoder.engine.model.World; import com.bladecoder.engine.util.EngineLogger; import com.bladecoder.engineeditor.Ctx; import com.bladecoder.engineeditor.model.Project; import com.bladecoder.engineeditor.ui.components.CellRenderer; import com.bladecoder.engineeditor.ui.components.EditModelDialog; import com.bladecoder.engineeditor.ui.components.ModelList; import com.bladecoder.engineeditor.undo.UndoDeleteScene; import com.bladecoder.engineeditor.undo.UndoOp; import com.bladecoder.engineeditor.utils.EditorLogger; import com.bladecoder.engineeditor.utils.ElementUtils; import com.bladecoder.engineeditor.utils.Message; public class SceneList extends ModelList<World, Scene> { private ImageButton initBtn; private SelectBox<String> chapters; private HashMap<String, TextureRegion> bgIconCache = new HashMap<String, TextureRegion>(); private boolean disposeBgCache = false; public SceneList(Skin skin) { super(skin, true); HorizontalGroup chapterPanel = new HorizontalGroup(); chapters = new SelectBox<String>(skin); chapters.setFillParent(true); chapterPanel.addActor(new Label("CHAPTER ", skin, "big")); chapterPanel.addActor(chapters); clearChildren(); add(chapterPanel).expandX().fillX(); row(); add(toolbar).expandX().fillX(); row().fill(); add(container).expandY().fill(); initBtn = new ImageButton(skin); toolbar.addToolBarButton(initBtn, "ic_check", "Set init scene", "Set init scene"); initBtn.setDisabled(true); list.addListener(new ChangeListener() { @Override public void changed(ChangeEvent event, Actor actor) { int pos = list.getSelectedIndex(); if (pos == -1) { Ctx.project.setSelectedScene(null); } else { Scene s = list.getItems().get(pos); Ctx.project.setSelectedScene(s); } toolbar.disableEdit(pos == -1); initBtn.setDisabled(pos == -1); } }); list.setCellRenderer(listCellRenderer); initBtn.addListener(new ChangeListener() { @Override public void changed(ChangeEvent event, Actor actor) { setDefault(); } }); chapters.addListener(chapterListener); Ctx.project.addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent evt) { EditorLogger .debug(evt.getPropertyName() + " NEW:" + evt.getNewValue() + " OLD:" + evt.getOldValue()); if (evt.getPropertyName().equals(Project.CHAPTER_PROPERTY)) { addChapters(); } else if (evt.getPropertyName().equals(Project.NOTIFY_ELEMENT_DELETED)) { if (evt.getNewValue() instanceof World) { addChapters(); } else if (evt.getNewValue() instanceof Scene) { addElements(World.getInstance(), Arrays.asList(World.getInstance().getScenes().values().toArray(new Scene[0]))); } } else if (evt.getPropertyName().equals(Project.NOTIFY_PROJECT_LOADED)) { toolbar.disableCreate(Ctx.project.getProjectDir() == null); disposeBgCache = true; addChapters(); } else if (evt.getPropertyName().equals(Project.NOTIFY_ELEMENT_CREATED)) { if (evt.getNewValue() instanceof Scene && !(evt.getSource() instanceof EditSceneDialog)) { addElements(World.getInstance(), Arrays.asList(World.getInstance().getScenes().values().toArray(new Scene[0]))); } } } }); } ChangeListener chapterListener = new ChangeListener() { @Override public void changed(ChangeEvent event, Actor actor) { String selChapter = (String) chapters.getSelected(); if (selChapter != null && !selChapter.equals(Ctx.project.getChapter().getId())) { // Save the project when changing chapter try { Ctx.project.saveProject(); } catch (IOException e1) { Message.showMsgDialog(getStage(), "Error saving project", e1.getMessage()); EditorLogger.error(e1.getMessage()); } try { if (selChapter != null) Ctx.project.loadChapter(selChapter); addElements(World.getInstance(), Arrays.asList(World.getInstance().getScenes().values().toArray(new Scene[0]))); } catch (IOException e1) { e1.printStackTrace(); } } } }; public void addChapters() { String[] nl = Ctx.project.getChapter().getChapters(); Array<String> array = new Array<String>(); for (int i = 0; i < nl.length; i++) { array.add(nl[i]); } chapters.setItems(array); chapters.setSelected(Ctx.project.getChapter().getId()); invalidate(); } private void setDefault() { int pos = list.getSelectedIndex(); if (pos == -1) return; String id = list.getItems().get(pos).getId(); World.getInstance().setInitScene(id); } @Override protected void delete() { Scene s = removeSelected(); parent.getScenes().remove(s.getId()); // delete init_scene attr if the scene to delete is the chapter // init_scene if (parent.getInitScene() != null && parent.getInitScene().equals(s.getId())) { if (parent.getScenes().size() > 0) parent.setInitScene(parent.getScenes().values().iterator().next().getId()); else parent.setInitScene(null); } // TRANSLATIONS Ctx.project.getI18N().putTranslationsInElement(s); // UNDO UndoOp undoOp = new UndoDeleteScene(s); Ctx.project.getUndoStack().add(undoOp); Ctx.project.setModified(); } @Override protected void copy() { Scene e = list.getSelected(); if (e == null) return; clipboard = (Scene) ElementUtils.cloneElement(e); toolbar.disablePaste(false); // TRANSLATIONS Ctx.project.getI18N().putTranslationsInElement(clipboard); } @Override protected void paste() { Scene newElement = (Scene) ElementUtils.cloneElement(clipboard); newElement.setId(ElementUtils.getCheckedId(newElement.getId(), World.getInstance().getScenes().keySet().toArray(new String[0]))); int pos = list.getSelectedIndex() + 1; list.getItems().insert(pos, newElement); World.getInstance().addScene(newElement); Ctx.project.getI18N().extractStrings(newElement); if (parent.getInitScene() == null) { parent.setInitScene(newElement.getId()); } list.setSelectedIndex(pos); list.invalidateHierarchy(); Ctx.project.setModified(); } @Override protected EditModelDialog<World, Scene> getEditElementDialogInstance(Scene e) { EditSceneDialog dialog = new EditSceneDialog(skin, parent, e); if (e != null) { dialog.setListener(new ChangeListener() { @Override public void changed(ChangeEvent event, Actor actor) { Ctx.project.setSelectedScene(list.getSelected()); } }); } return dialog; } public TextureRegion getBgIcon(String atlas, String region) { // check here for dispose instead in project loading because the opengl // context lost in new project thread if (disposeBgCache) { dispose(); disposeBgCache = false; } String s = atlas + "#" + region; TextureRegion icon = bgIconCache.get(s); if (icon == null) { Batch batch = getStage().getBatch(); batch.end(); icon = createBgIcon(atlas, region); if (icon != null) { bgIconCache.put(s, icon); } else { EngineLogger.error("Error creating Background icon"); } batch.begin(); } return icon; } public void dispose() { for (TextureRegion r : bgIconCache.values()) r.getTexture().dispose(); bgIconCache.clear(); } private TextureRegion createBgIcon(String atlas, String region) { TextureAtlas a = new TextureAtlas(Gdx.files .absolute(Ctx.project.getProjectPath() + "/" + Project.ATLASES_PATH + "/1/" + atlas + ".atlas")); AtlasRegion r = a.findRegion(region); if (r == null) { a.dispose(); return null; } FrameBuffer fbo = new FrameBuffer(Format.RGBA8888, 200, (int) (r.getRegionHeight() * 200f / r.getRegionWidth()), false); SpriteBatch fboBatch = new SpriteBatch(); fboBatch.setColor(Color.WHITE); OrthographicCamera camera = new OrthographicCamera(); camera.setToOrtho(false, fbo.getWidth(), fbo.getHeight()); fboBatch.setProjectionMatrix(camera.combined); Gdx.gl.glDisable(GL20.GL_SCISSOR_TEST); fbo.begin(); fboBatch.begin(); fboBatch.draw(r, 0, 0, fbo.getWidth(), fbo.getHeight()); fboBatch.end(); TextureRegion tex = ScreenUtils.getFrameBufferTexture(0, 0, fbo.getWidth(), fbo.getHeight()); // tex.flip(false, true); fbo.end(); Gdx.gl.glEnable(GL20.GL_SCISSOR_TEST); fbo.dispose(); a.dispose(); fboBatch.dispose(); return tex; } // ------------------------------------------------------------------------- // ListCellRenderer // ------------------------------------------------------------------------- private final CellRenderer<Scene> listCellRenderer = new CellRenderer<Scene>() { @Override protected String getCellTitle(Scene e) { String name = e.getId(); // TODO SET INIT SCENE String init = World.getInstance().getInitScene(); if (name.equals(init)) name += " <init>"; return name; } @Override protected String getCellSubTitle(Scene e) { return e.getBackgroundAtlas(); } @Override public TextureRegion getCellImage(Scene e) { String atlas = e.getBackgroundAtlas(); String region = e.getBackgroundRegionId(); TextureRegion r = null; if (atlas != null && region != null && !atlas.isEmpty() && !region.isEmpty()) r = getBgIcon(atlas, region); if (r == null) r = Ctx.assetManager.getIcon("ic_no_scene"); return r; } @Override protected boolean hasSubtitle() { return true; } @Override protected boolean hasImage() { return true; } }; }