From 1089b2745a1e49deec2385472b269c4ba3f37fed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lubo=C5=A1=20Hor=C3=A1=C4=8Dek?= <horaceklubos@gmail.com>
Date: Thu, 12 Mar 2015 19:35:13 +0100
Subject: [PATCH] #11 Scroll listeners
---
.../screen/gamemenu/pages/GameMenuPage.java | 19 +++++--
.../cz/nic/tablexia/util/ui/ViewPager.java | 49 +++++++++++++++++++
2 files changed, 63 insertions(+), 5 deletions(-)
diff --git a/core/src/cz/nic/tablexia/screen/gamemenu/pages/GameMenuPage.java b/core/src/cz/nic/tablexia/screen/gamemenu/pages/GameMenuPage.java
index aa5acfa9c..7832ecebe 100644
--- a/core/src/cz/nic/tablexia/screen/gamemenu/pages/GameMenuPage.java
+++ b/core/src/cz/nic/tablexia/screen/gamemenu/pages/GameMenuPage.java
@@ -6,12 +6,14 @@ import com.badlogic.gdx.graphics.g2d.Batch;
import cz.nic.tablexia.game.GameDefinition;
import cz.nic.tablexia.screen.AbstractTablexiaScreen;
import cz.nic.tablexia.screen.gamemenu.GameMenuAssets;
+import cz.nic.tablexia.util.Log;
+import cz.nic.tablexia.util.ui.ViewPager;
/**
* Representing one page in ViewPager with specific game
* Created by lhoracek on 3/4/15.
*/
-public class GameMenuPage extends MenuPage {
+public class GameMenuPage extends MenuPage implements ViewPager.ScrollListener {
private GameDefinition game;
public GameMenuPage(AbstractTablexiaScreen screen, GameDefinition game) {
@@ -21,8 +23,6 @@ public class GameMenuPage extends MenuPage {
@Override
public void draw(Batch batch, float parentAlpha) {
- // leave blending enabled for transparent images
-// batch.disableBlending();
batch.draw(getScreen().getTexture(GameMenuAssets.getResourcePath(game, GameMenuAssets.GameMenuLayers.BACK)), getX(), getY(), getWidth(), getHeight());
batch.draw(getScreen().getTexture(GameMenuAssets.getResourcePath(game, GameMenuAssets.GameMenuLayers.MID)), getX(), getY(), getWidth(), getHeight());
batch.draw(getScreen().getTexture(GameMenuAssets.getResourcePath(game, GameMenuAssets.GameMenuLayers.FORE)), getX(), getY(), getWidth(), getHeight());
@@ -37,7 +37,16 @@ public class GameMenuPage extends MenuPage {
batch.draw(title, getX() + titleX, getY() + titleY - titleHeight, titleWidth, titleHeight);
- //batch.draw(getScreen().getTexture(GameMenuAssets.getResourcePath(game, GameMenuAssets.GameMenuLayers.FORE)), getX(), getY(), getWidth(), getHeight());
-// batch.enableBlending();
+
+ }
+
+ @Override
+ public void onScroll(float offset) {
+ Log.info(((Object) this).getClass().getName(), "Scroll " + game.name() + ": " + offset);
+ }
+
+ @Override
+ public void onScrolledToPage() {
+ Log.info(((Object) this).getClass().getName(), "Scrolled to page: " + game.name());
}
}
diff --git a/core/src/cz/nic/tablexia/util/ui/ViewPager.java b/core/src/cz/nic/tablexia/util/ui/ViewPager.java
index 8319d9758..3be659730 100644
--- a/core/src/cz/nic/tablexia/util/ui/ViewPager.java
+++ b/core/src/cz/nic/tablexia/util/ui/ViewPager.java
@@ -8,6 +8,8 @@ import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Table;
import com.badlogic.gdx.utils.Array;
+import cz.nic.tablexia.util.Log;
+
/**
* Created by lhoracek on 3/4/15.
*/
@@ -79,6 +81,47 @@ public class ViewPager extends ScrollPane {
}
}
+ @Override
+ protected void scrollX(float pixelsX) {
+ super.scrollX(pixelsX);
+
+ final float width = getWidth();
+ final float scrollX = pixelsX;
+ final float maxX = getMaxX();
+
+ if (scrollX >= maxX || scrollX <= 0) return;
+
+ Array<Actor> pages = content.getChildren();
+ float pageX = 0;
+ float pageWidth = 0;
+ if (pages.size > 0) {
+ for (Actor a : pages) {
+ pageX = a.getX();
+ pageWidth = a.getWidth();
+ if (scrollX > pageX && scrollX < (pageX + pageWidth)) {
+ if (a instanceof ScrollListener) {
+ ScrollListener sl = (ScrollListener) a;
+ sl.onScroll(-(scrollX - pageX));
+ }
+ } else if (scrollX < (pageX) && (scrollX + pageWidth) > pageX) {
+ if (a instanceof ScrollListener) {
+ ScrollListener sl = (ScrollListener) a;
+ sl.onScroll(pageX - scrollX);
+ }
+
+ }
+ if(pageX == scrollX){
+ if (a instanceof ScrollListener) {
+ ScrollListener sl = (ScrollListener) a;
+ sl.onScrolledToPage();
+ }
+ }
+ }
+ }
+
+ Log.info(((Object) this).getClass().getName(), "ScrollX: " + pixelsX);
+ }
+
@Override
@Deprecated
public void setWidget(Actor widget) {
@@ -127,4 +170,10 @@ public class ViewPager extends ScrollPane {
setScrollX(MathUtils.clamp(pageX - (width - pageWidth) / 2, 0, maxX));
}
}
+
+ public static interface ScrollListener {
+ public void onScroll(float offset);
+
+ public void onScrolledToPage();
+ }
}
--
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