GuiControlsPaginated.java
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package com.mumfrey.liteloader.gui;
import java.util.List;
import net.minecraft.src.GameSettings;
import net.minecraft.src.GuiButton;
import net.minecraft.src.GuiScreen;
import net.minecraft.src.GuiSmallButton;
import net.minecraft.src.KeyBinding;
import net.minecraft.src.StringTranslate;
/**
* Extended "Controls" screen with pages
*
* @author Adam Mummery-Smith
*/
public class GuiControlsPaginated extends GuiScreen
{
/**
* Pagination variables
*/
protected int controlsPerPage, startIndex, endIndex;
/**
* Parent screen which will be displayed when this screen is closed
*/
protected GuiScreen parentScreen;
/**
* Game settings
*/
protected GameSettings gameSettings;
/**
* Additional buttons
*/
protected GuiButton btnNext, btnPrevious;
/**
* Title to display
*/
protected String screenTitle = "Controls";
/**
* ID of the button currently being edited
*/
protected int activeButtonId = -1;
public GuiControlsPaginated(GuiScreen parentScreen, GameSettings gameSettings)
{
this.parentScreen = parentScreen;
this.gameSettings = gameSettings;
// Pagination defaults
this.controlsPerPage = 14;
this.endIndex = this.gameSettings.keyBindings.length - (this.gameSettings.keyBindings.length % this.controlsPerPage == 0 ? this.controlsPerPage : this.gameSettings.keyBindings.length % this.controlsPerPage);
}
@SuppressWarnings("unchecked")
protected List<GuiButton> getLegacyControlList()
{
return this.buttonList;
}
protected final int getHeight()
{
return this.height;
}
protected final int getWidth()
{
return this.width;
}
public GuiScreen getParentScreen()
{
return this.parentScreen;
}
/**
* Initialise this GUI, called when the GUI is created
*/
@Override
public void initGui()
{
StringTranslate stringtranslate = StringTranslate.getInstance();
this.getLegacyControlList().clear();
int oldControlsPerPage = this.controlsPerPage;
this.controlsPerPage = ((this.getHeight() - 70) / 24) * 2;
this.endIndex = this.gameSettings.keyBindings.length - (this.gameSettings.keyBindings.length % this.controlsPerPage == 0 ? this.controlsPerPage : this.gameSettings.keyBindings.length % this.controlsPerPage);
if (oldControlsPerPage != this.controlsPerPage) this.startIndex = 0;
for (int controlId = 0; controlId < this.gameSettings.keyBindings.length; controlId++)
{
boolean buttonVisible = controlId >= this.startIndex && controlId < this.startIndex + this.controlsPerPage;
int left = buttonVisible ? this.getWidth() / 2 - 155 : this.getWidth() + 10000;
int top = this.getHeight() / 6 + 24 * ((controlId - this.startIndex) >> 1);
this.getLegacyControlList().add(new GuiSmallButton(controlId, left + ((controlId - this.startIndex) % 2) * 160, top, 70, 20, this.gameSettings.getOptionDisplayString(controlId)));
}
int buttonY = this.getHeight() / 6 + (this.controlsPerPage >> 1) * 24;
// Only bother paginating if there are too many controls to display
if (this.gameSettings.keyBindings.length > this.controlsPerPage)
{
this.getLegacyControlList().add(this.btnNext = new GuiButton(201, this.getWidth() / 2 - 51, buttonY, 50, 20, ">>"));
this.getLegacyControlList().add(this.btnPrevious = new GuiButton(202, this.getWidth() / 2 - 103, buttonY, 50, 20, "<<"));
this.getLegacyControlList().add(new GuiButton(200, this.getWidth() / 2 + 1, buttonY, 100, 20, stringtranslate.translateKey("gui.done")));
this.btnNext.enabled = this.startIndex < this.endIndex;
this.btnPrevious.enabled = this.startIndex > 0;
}
else
{
this.getLegacyControlList().add(new GuiButton(200, this.getWidth() / 2 - 100, buttonY, stringtranslate.translateKey("gui.done")));
}
this.screenTitle = stringtranslate.translateKey("controls.title");
}
/**
* @param controlId
* @return
*/
protected String getKeybindDescription(int controlId)
{
return this.gameSettings.getKeyBindingDescription(controlId);
}
/**
* A button was clicked, deal with it
*
* @param guibutton Button which was clicked
*/
@Override
protected void actionPerformed(GuiButton guibutton)
{
// Update the button labels with the appropriate key names
for(int i = 0; i < this.gameSettings.keyBindings.length; i++)
{
this.getLegacyControlList().get(i).displayString = this.gameSettings.getOptionDisplayString(i);
}
if (guibutton.id == 200) // Done button
{
this.mc.displayGuiScreen(this.parentScreen);
}
else if (guibutton.id == 201) // Next button
{
this.startIndex += this.controlsPerPage;
this.startIndex = Math.min(this.endIndex, this.startIndex);
this.initGui();
}
else if (guibutton.id == 202) // Previous button
{
this.startIndex -= this.controlsPerPage;
this.startIndex = Math.max(0, this.startIndex);
this.initGui();
}
else
{
this.activeButtonId = guibutton.id;
guibutton.displayString = String.format("> %s <", this.gameSettings.getOptionDisplayString(guibutton.id));
}
}
@Override
protected void mouseClicked(int mouseX, int mouseY, int mouseButton)
{
if (this.activeButtonId >= 0)
{
this.gameSettings.setKeyBinding(this.activeButtonId, -100 + mouseButton);
this.getLegacyControlList().get(this.activeButtonId).displayString = this.gameSettings.getOptionDisplayString(this.activeButtonId);
this.activeButtonId = -1;
KeyBinding.resetKeyBindingArrayAndHash();
}
else
{
super.mouseClicked(mouseX, mouseY, mouseButton);
}
}
@Override
protected void keyTyped(char keyChar, int keyCode)
{
if (this.activeButtonId >= 0)
{
this.gameSettings.setKeyBinding(this.activeButtonId, keyCode);
this.getLegacyControlList().get(this.activeButtonId).displayString = this.gameSettings.getOptionDisplayString(this.activeButtonId);
this.activeButtonId = -1;
KeyBinding.resetKeyBindingArrayAndHash();
}
else
{
super.keyTyped(keyChar, keyCode);
}
}
@Override
public void drawScreen(int mouseX, int mouseY, float partialTick)
{
this.drawDefaultBackground();
this.drawCenteredString(this.fontRenderer, this.screenTitle, this.width / 2, 20, 0xffffff);
// Draw key labels
for (int controlId = 0; controlId < this.gameSettings.keyBindings.length; controlId++)
{
boolean conflict = false;
for (int id = 0; id < this.gameSettings.keyBindings.length; id++)
{
if (id != controlId && this.gameSettings.keyBindings[controlId].keyCode == this.gameSettings.keyBindings[id].keyCode)
{
conflict = true;
break;
}
}
if (this.activeButtonId == controlId)
{
this.getLegacyControlList().get(controlId).displayString = "\247f> \247e??? \247f<";
}
else if (conflict)
{
this.getLegacyControlList().get(controlId).displayString = "\247c" + this.gameSettings.getOptionDisplayString(controlId);
}
else
{
this.getLegacyControlList().get(controlId).displayString = this.gameSettings.getOptionDisplayString(controlId);
}
int left = (controlId >= this.startIndex && controlId < this.startIndex + this.controlsPerPage) ? this.getWidth() / 2 - 155 : this.getWidth() + 10000;
this.drawString(this.fontRenderer, this.getKeybindDescription(controlId), left + ((controlId - this.startIndex) % 2) * 160 + 70 + 6, this.getHeight() / 6 + 24 * ((controlId - this.startIndex) >> 1) + 7, 0xFFFFFF);
}
super.drawScreen(mouseX, mouseY, partialTick);
}
}