Sign editing

package net.minecraft.src;

import java.util.List;
import net.minecraft.client.Minecraft;
import org.lwjgl.input.Keyboard;
import org.lwjgl.opengl.GL11;

// Referenced classes of package net.minecraft.src:
// GuiScreen, GuiButton, World, Packet130UpdateSign,
// TileEntitySign, NetClientHandler, Block, TileEntityRenderer,
// ChatAllowedCharacters

public class GuiEditSign extends GuiScreen
{

public GuiEditSign(TileEntitySign tileentitysign)
{
screenTitle = "Edit sign message:";
editLine = 0;
entitySign = tileentitysign;
}

public void initGui()
{
controlList.clear();
Keyboard.enableRepeatEvents(true);
controlList.add(new GuiButton(0, width / 2 - 100, height / 4 + 120, "Done"));
}

public void onGuiClosed()
{
Keyboard.enableRepeatEvents(false);
if(mc.theWorld.multiplayerWorld)
{
mc.getSendQueue().addToSendQueue(new Packet130UpdateSign(entitySign.xCoord, entitySign.yCoord, entitySign.zCoord, entitySign.signText));
}
}

public void updateScreen()
{
updateCounter++;
}

protected void actionPerformed(GuiButton guibutton)
{
if(!guibutton.enabled)
{
return;
}
if(guibutton.id == 0)
{
entitySign.onInventoryChanged();
mc.displayGuiScreen(null);
}
}

protected void keyTyped(char c, int i)
{
if(i == 200)
{
editLine = editLine - 1 & 3;
}
if(i == 208 || i == 28)
{
editLine = editLine + 1 & 3;
}
if(i == 14 && entitySign.signText[editLine].length() > 0)
{
entitySign.signText[editLine] = entitySign.signText[editLine].substring(0, entitySign.signText[editLine].length() - 1);
}
if(allowedCharacters.indexOf(c) >= 0 && this.entitySign.signText[this.editLine].length() < 15) {
this.entitySign.signText[this.editLine] = this.entitySign.signText[this.editLine] + c;
}
}

public void drawScreen(int i, int j, float f)
{
drawDefaultBackground();
drawCenteredString(fontRenderer, screenTitle, width / 2, 40, 0xffffff);
GL11.glPushMatrix();
GL11.glTranslatef(width / 2, 0.0F, 50F);
float f1 = 93.75F;
GL11.glScalef(-f1, -f1, -f1);
GL11.glRotatef(180F, 0.0F, 1.0F, 0.0F);
Block block = entitySign.getBlockType();
if(block == Block.signPost)
{
float f2 = (float)(entitySign.getBlockMetadata() * 360) / 16F;
GL11.glRotatef(f2, 0.0F, 1.0F, 0.0F);
GL11.glTranslatef(0.0F, -1.0625F, 0.0F);
} else
{
int k = entitySign.getBlockMetadata();
float f3 = 0.0F;
if(k == 2)
{
f3 = 180F;
}
if(k == 4)
{
f3 = 90F;
}
if(k == 5)
{
f3 = -90F;
}
GL11.glRotatef(f3, 0.0F, 1.0F, 0.0F);
GL11.glTranslatef(0.0F, -1.0625F, 0.0F);
}
if((updateCounter / 6) % 2 == 0)
{
entitySign.lineBeingEdited = editLine;
}
TileEntityRenderer.instance.renderTileEntityAt(ent itySign, -0.5D, -0.75D, -0.5D, 0.0F);
entitySign.lineBeingEdited = -1;
GL11.glPopMatrix();
super.drawScreen(i, j, f);
}

protected String screenTitle;
private TileEntitySign entitySign;
private int updateCounter;
private int editLine;
private static final String allowedCharacters;

static
{
allowedCharacters = ChatAllowedCharacters.allowedCharacters;
}
}