121 lines
4.1 KiB
Java
121 lines
4.1 KiB
Java
/*
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* This file is part of ComputerCraft - http://www.computercraft.info
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* Copyright Daniel Ratcliffe, 2011-2019. Do not distribute without permission.
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* Send enquiries to dratcliffe@gmail.com
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*/
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package dan200.computercraft.shared.command.text;
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import net.minecraft.util.text.ITextComponent;
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import net.minecraft.util.text.TextComponentString;
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import net.minecraft.util.text.TextFormatting;
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import org.apache.commons.lang3.StringUtils;
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import javax.annotation.Nullable;
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import static dan200.computercraft.shared.command.text.ChatHelpers.coloured;
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import static dan200.computercraft.shared.command.text.ChatHelpers.translate;
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public interface TableFormatter
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{
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ITextComponent SEPARATOR = coloured( "| ", TextFormatting.GRAY );
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ITextComponent HEADER = coloured( "=", TextFormatting.GRAY );
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/**
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* Get additional padding for the component
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*
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* @param component The component to pad
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* @param width The desired width for the component
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* @return The padding for this component, or {@code null} if none is needed.
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*/
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@Nullable
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ITextComponent getPadding( ITextComponent component, int width );
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/**
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* Get the minimum padding between each column
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*
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* @return The minimum padding.
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*/
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int getColumnPadding();
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int getWidth( ITextComponent component );
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void writeLine( int id, ITextComponent component );
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default int display( TableBuilder table )
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{
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if( table.getColumns() <= 0 ) return 0;
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int rowId = table.getId();
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int columns = table.getColumns();
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int[] maxWidths = new int[columns];
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ITextComponent[] headers = table.getHeaders();
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if( headers != null )
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{
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for( int i = 0; i < columns; i++ ) maxWidths[i] = getWidth( headers[i] );
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}
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for( ITextComponent[] row : table.getRows() )
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{
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for( int i = 0; i < row.length; i++ )
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{
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int width = getWidth( row[i] );
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if( width > maxWidths[i] ) maxWidths[i] = width;
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}
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}
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// Add a small amount of padding after each column
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{
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int padding = getColumnPadding();
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for( int i = 0; i < maxWidths.length - 1; i++ ) maxWidths[i] += padding;
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}
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// And compute the total width
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int totalWidth = (columns - 1) * getWidth( SEPARATOR );
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for( int x : maxWidths ) totalWidth += x;
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if( headers != null )
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{
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TextComponentString line = new TextComponentString( "" );
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for( int i = 0; i < columns - 1; i++ )
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{
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line.appendSibling( headers[i] );
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ITextComponent padding = getPadding( headers[i], maxWidths[i] );
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if( padding != null ) line.appendSibling( padding );
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line.appendSibling( SEPARATOR );
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}
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line.appendSibling( headers[columns - 1] );
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writeLine( rowId++, line );
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// Write a separator line. We round the width up rather than down to make
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// it a tad prettier.
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int rowCharWidth = getWidth( HEADER );
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int rowWidth = totalWidth / rowCharWidth + (totalWidth % rowCharWidth == 0 ? 0 : 1);
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writeLine( rowId++, coloured( StringUtils.repeat( HEADER.getString(), rowWidth ), TextFormatting.GRAY ) );
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}
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for( ITextComponent[] row : table.getRows() )
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{
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TextComponentString line = new TextComponentString( "" );
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for( int i = 0; i < columns - 1; i++ )
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{
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line.appendSibling( row[i] );
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ITextComponent padding = getPadding( row[i], maxWidths[i] );
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if( padding != null ) line.appendSibling( padding );
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line.appendSibling( SEPARATOR );
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}
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line.appendSibling( row[columns - 1] );
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writeLine( rowId++, line );
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}
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if( table.getAdditional() > 0 )
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{
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writeLine( rowId++, coloured( translate( "commands.computercraft.generic.additional_rows", table.getAdditional() ), TextFormatting.AQUA ) );
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}
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return rowId - table.getId();
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}
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}
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