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/*
* Dungeons Guide - The most intelligent Hypixel Skyblock Dungeons Mod
* Copyright (C) 2021 cyoung06
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package kr.syeyoung.dungeonsguide.gui.elements;
import kr.syeyoung.dungeonsguide.gui.MPanel;
import kr.syeyoung.dungeonsguide.utils.RenderUtils;
import lombok.Getter;
import lombok.Setter;
import net.minecraft.client.gui.Gui;
import net.minecraft.util.MathHelper;
import org.w3c.dom.css.Rect;
import java.awt.*;
public class MScrollablePanel extends MPanel {
@Getter
private boolean hideScrollBarWhenNotNecessary = false;
public void setHideScrollBarWhenNotNecessary(boolean hideScrollBarWhenNotNecessary) {
this.hideScrollBarWhenNotNecessary = hideScrollBarWhenNotNecessary;
setBounds(getBounds());
}
private final int axis; // 1: Y 2: X 3: both.
private MPanel viewPort;
@Getter
private MPanel contentArea;
@Getter
private MScrollBar scrollBarX, scrollBarY;
private Rectangle contentAreaDim;
public MScrollablePanel(int axis) {
this.axis = axis;
viewPort = new MPanel();
scrollBarX = new MScrollBar(0, 1, 1, 0, MScrollBar.Axis.X, this::onScrollBarUpdate);
scrollBarY = new MScrollBar(0, 1, 1, 0, MScrollBar.Axis.Y, this::onScrollBarUpdate);
if ((axis & 1) > 0)
super.add(scrollBarY);
if ((axis & 2) > 0)
super.add(scrollBarX);
super.add(viewPort);
contentArea = new MPanel() {
@Override
public void add(MPanel child) {
super.add(child);
evalulateContentArea();
}
@Override
public void remove(MPanel panel) {
super.remove(panel);
evalulateContentArea();
}
@Override
public void setBounds(Rectangle bounds) {
if (bounds == null) return;
this.bounds.x = bounds.x;
this.bounds.y = bounds.y;
this.bounds.width = bounds.width;
this.bounds.height = bounds.height;
onBoundsUpdate();
}
@Override
public void resize(int parentWidth, int parentHeight) {
for (MPanel childComponent : childComponents) {
childComponent.resize0(parentWidth, parentHeight);
}
evalulateContentArea();
}
};
viewPort.add(contentArea);
contentArea.setIgnoreBoundOnClip(true);
evalulateContentArea();
}
@Override
public void render(int absMousex, int absMousey, int relMousex0, int relMousey0, float partialTicks, Rectangle scissor) {
super.render(absMousex, absMousey, relMousex0, relMousey0, partialTicks, scissor);
boolean hideX = (axis & 2) == 0, hideY = (axis & 1) == 0;
if (bounds.width >= contentAreaDim.width && hideScrollBarWhenNotNecessary) hideX = true;
if (bounds.height >= contentAreaDim.height && hideScrollBarWhenNotNecessary) hideY = true;
if (axis == 3 && !(hideX && hideY)) {
Gui.drawRect(scrollBarX.getBounds().width, scrollBarY.getBounds().height, getBounds().width, getBounds().height, RenderUtils.blendAlpha(0x141414, 0.03f));
}
}
public void evalulateContentArea() {
if (contentArea.getChildComponents().size() == 0) {
contentAreaDim= new Rectangle(0,0,0,0);
return;
}
int minX = Integer.MAX_VALUE, minY = Integer.MAX_VALUE, maxX = Integer.MIN_VALUE, maxY = Integer.MIN_VALUE;
for (MPanel childComponent : contentArea.getChildComponents()) {
Rectangle bounds = childComponent.getBounds();
if (bounds.x < minX) minX = bounds.x;
if (bounds.x + bounds.width > maxX) maxX = bounds.x + bounds.width;
if (bounds.y < minY) minY = bounds.y;
if (bounds.y + bounds.height > maxY) maxY = bounds.y + bounds.height;
}
contentAreaDim = new Rectangle(minX, minY, maxX - minX, maxY - minY);
scrollBarX.setMin(contentAreaDim.x);
scrollBarX.setMax(contentAreaDim.x + contentAreaDim.width-scrollBarX.getThumbSize());
scrollBarY.setMin(contentAreaDim.y);
scrollBarY.setMax(contentAreaDim.y + contentAreaDim.height-scrollBarY.getThumbSize());
}
@Override
public void setBounds(Rectangle bounds) {
super.setBounds(bounds);
boolean hideX = (axis & 2) == 0, hideY = (axis & 1) == 0;
viewPort.setBounds(new Rectangle(0,0,bounds.width, bounds.height));
evalulateContentArea();
if (bounds.width >= contentAreaDim.width && hideScrollBarWhenNotNecessary) hideX = true;
if (bounds.height >= contentAreaDim.height && hideScrollBarWhenNotNecessary) hideY = true;
if (!(hideX || hideY)) {
Dimension preferedX = scrollBarX.getPreferredSize();
Dimension preferedY = scrollBarY.getPreferredSize();
scrollBarY.setBounds(new Rectangle(bounds.width - preferedY.width, 0, preferedY.width, bounds.height - preferedX.height));
scrollBarX.setBounds(new Rectangle(0, bounds.height - preferedX.height, bounds.width - preferedY.width, preferedX.height));
} else if ((hideY && !hideX)) {
Dimension preferedX = scrollBarX.getPreferredSize();
scrollBarY.setBounds(new Rectangle(0,0,0,0));
scrollBarX.setBounds(new Rectangle(0, bounds.height - preferedX.height, bounds.width, preferedX.height));
} else if ((hideX && !hideY)) {
Dimension preferedY = scrollBarY.getPreferredSize();
scrollBarX.setBounds(new Rectangle(0,0,0,0));
scrollBarY.setBounds(new Rectangle(bounds.width - preferedY.width, 0, preferedY.width, bounds.height));
} else if (hideX && hideY){
scrollBarY.setBounds(new Rectangle(0,0,0,0));
scrollBarX.setBounds(new Rectangle(0,0,0,0));
}
viewPort.setBounds(new Rectangle(0,0,bounds.width-scrollBarY.getBounds().width, bounds.height - scrollBarX.getBounds().height));
scrollBarX.setThumbSize(viewPort.getBounds().width);
scrollBarY.setThumbSize(viewPort.getBounds().height);
scrollBarX.setMax(contentAreaDim.x + contentAreaDim.width-scrollBarX.getThumbSize());
scrollBarY.setMax(contentAreaDim.y + contentAreaDim.height-scrollBarY.getThumbSize());
evalulateContentArea();
}
private void onScrollBarUpdate() {
contentArea.setPosition(new Point(-scrollBarX.getCurrent(), -scrollBarY.getCurrent()));
}
@Override
public void add(MPanel child) { contentArea.add(child); }
@Override
public void remove(MPanel panel) { contentArea.remove(panel); }
@Override
public void mouseScrolled(int absMouseX, int absMouseY, int relMouseX0, int relMouseY0, int scrollAmount) {
if (lastAbsClip.contains(absMouseX, absMouseY) && (axis == 1 || axis == 3)) {
scrollBarY.addToCurrent(MathHelper.clamp_int(scrollAmount, -1, 1) * -30);
}
}
}
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