de.vandermeer.asciitable.v2.render.RenderUtilities Maven / Gradle / Ivy

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/* Copyright 2014 Sven van der Meer 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.vandermeer.asciitable.v2.render;

import de.vandermeer.asciilist.AsciiList;
import de.vandermeer.asciitable.commons.ArrayTransformations;
import de.vandermeer.asciitable.v2.row.ContentRow;
import de.vandermeer.asciitable.v2.row.RuleRow;
import de.vandermeer.asciitable.v2.row.V2_Row;
import de.vandermeer.asciitable.v2.themes.V2_RowTheme;

/**
 * Utilities for manipulating tables and table rows.
 *
 * @author     Sven van der Meer <[email protected]>
 * @version    v1.0.0 build 160319 (19-Mar-16) for Java 1.7
 * @since      v0.0.5
 */
public abstract class RenderUtilities {

	/**
	 * Creates a content array, that is an array with columns.
	 * It will wrap lines and normalize the array.
	 * @param columns the original columns
	 * @param width the width of the columns
	 * @param padding column padding
	 * @return a fully processed and normalized content array
	 */
	public static final String[][] createContentArray(Object[] columns, int[] width, int[] padding){
		String[][] ret = new String[width.length][];

		int length = 0;
		for(int i=0; i0){
				length = length - padding[i] * 2;
			}

			if(o instanceof AsciiList){
				//an AsciiList can render to width already, set width and render and process rendered string
				ret[i] = ArrayTransformations.PROCESS_CONTENT(((AsciiList)o).setWidth(length).render());
			}
			else{
				//get content first (does many forms of line breaks)
				String [] content = ArrayTransformations.PROCESS_CONTENT(o);
				//now wrap lines per line in the processed content array
				ret[i] = ArrayTransformations.WRAP_LINES(length, content);
			}
			length = 0;
		}

		//equal number of strings per column
		ret = ArrayTransformations.NORMALISE_ARRAY(width.length, ret);
		//flip so that each normalized array row is a table column
		ret = ArrayTransformations.FLIP_ARRAY(ret);
		return ret;
	}

	/**
	 * Returns the border types for a bottom rule, regardless of the actual type of the given row.
	 * @param prev the previous row in the table
	 * @param row the original row
	 * @param colNumbers number of columns in the table
	 * @return array of border types, null if none could be created
	 */
	public static final BorderType[] getBorderTypes_BottomRule(ProcessedRow prev, V2_Row row, int colNumbers){
		BorderType[] ret = null;
		if(!(row instanceof RuleRow)){
			return ret;
		}

		ret = new BorderType[colNumbers+1];
		for(int i=0; i