litesoft
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.client.widgets.nonpublic; import org.litesoft.commonfoundation.typeutils.*; import com.google.gwt.user.client.*; import com.google.gwt.user.client.ui.*; public class TwoDimensionalChildHelper { private Element mTBody; private int mColsPerRow; private Cell[] mEmptyRow; private Row[] mRows = NO_ROWS; public TwoDimensionalChildHelper( Element pTBody, int pColsPerRow ) { Objects.assertNotNull( "TBODY", mTBody = pTBody ); if ( (mColsPerRow = pColsPerRow) < 1 ) { throw new IllegalArgumentException( "Must have at least 1 column, but was given: " + pColsPerRow ); } } public void add( Widget pWidget ) { if ( pWidget != null ) { Cell zCell = findEmptyCell(); } } private Cell findEmptyCell() { return null; // todo... } private Cell getCell( int pRow, int pCol ) { return null; // todo... } private class Row { private int mIndex; private Element mTR; private Cell[] mCells; public Row( int pIndex ) { mIndex = pIndex; DOM.appendChild( mTBody, mTR = DOM.createTR() ); mCells = new Cell[mColsPerRow]; for ( int i = 0; i < mCells.length; i++ ) { mCells[i] = new Cell( this, i ); } } public int getIndex() { return mIndex; } public Element getTR() { return mTR; } } private class Cell { private Row mRow; private int mIndex; private int mAdditionalRightCells = 0; private int mAdditionalDownCells = 0; private Cell mSpannedFrom = null; private Element mTD = null; private Widget mContent = null; public Cell( Row pRow, int pIndex ) { mRow = pRow; mIndex = pIndex; int zRowIndex = mRow.getIndex(); if ( zRowIndex != 0 ) { Cell zPotentialSpanFromCell = getCell( zRowIndex - 1, mIndex ); while ( zPotentialSpanFromCell.mSpannedFrom != null ) { zPotentialSpanFromCell = zPotentialSpanFromCell.mSpannedFrom; } if ( zPotentialSpanFromCell.coverageIncludes( zRowIndex, pIndex ) ) { mSpannedFrom = zPotentialSpanFromCell; } } } public Row getRow() { return mRow; } private boolean coverageIncludes( int pRow, int pCol ) { int zRowIndex = mRow.getIndex(); return (zRowIndex <= pRow) && (pRow <= (zRowIndex + mAdditionalDownCells)) && (mIndex <= pCol) && (pCol <= (mIndex + mAdditionalRightCells)); } } private static final Row[] NO_ROWS = new Row[0]; } |
Commits for litesoft/trunk/Java/GWT/Client/src/org/litesoft/GWT/client/widgets/nonpublic/TwoDimensionalChildHelper.java
Revision | Author | Commited | Message |
---|---|---|---|
939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
804 Diff | GeorgeS | Wed 15 Aug, 2012 12:48:51 +0000 | |
151 Diff | GeorgeS | Thu 17 Mar, 2011 04:16:22 +0000 | |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |