// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.GWT.forms.client.nonpublic;

import java.util.*;

import org.litesoft.ui.def.nonpublic.support.*;

public class RelSubFormInstanceChildManager
{
    private static RelSubFormInstanceComponentHandlerImpl[] EMPTY_ARRAY = new RelSubFormInstanceComponentHandlerImpl[0];

    private RelSubFormInstanceComponentHandlerImpl[] mChildren = EMPTY_ARRAY;
    private Map mChildrenByFormUniqueIDs = new HashMap();

    public boolean anyChildren()
    {
        return (mChildren.length != 0);
    }

    public void addChild( RelSubFormInstanceComponentHandlerImpl pComponentHandler )
    {
        mChildrenByFormUniqueIDs.put( pComponentHandler.getFormUniqueID(), pComponentHandler );
        mChildren = append( mChildren, pComponentHandler );
    }

    public void dispose( UberFormInstanceComponentHandler pUberHandler )
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            mChildren[i].dispose( pUberHandler );
        }
        mChildren = EMPTY_ARRAY;
        mChildrenByFormUniqueIDs.clear();
        mChildrenByFormUniqueIDs = null;
    }

    public void apply( ActionUpdateFormData[] pActionUpdates )
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            mChildren[i].apply( pActionUpdates );
        }
    }

    public void updateInputState( boolean pAnyChanged, boolean pAnyErrors )
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            mChildren[i].updateInputState( pAnyChanged, pAnyErrors );
        }
    }

    public boolean setActionDisabled( FormDataRowKey pFormDataRowKey, String pActionID, boolean pDisabled )
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            if ( mChildren[i].setActionDisabled( pFormDataRowKey, pActionID, pDisabled ) )
            {
                return true;
            }
        }
        return false;
    }

    public boolean setInputDisabled( FormDataRowKey pFormDataRowKey, String pAttributeName, boolean pDisabled )
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            if ( mChildren[i].setInputDisabled( pFormDataRowKey, pAttributeName, pDisabled ) )
            {
                return true;
            }
        }
        return false;
    }

    public void apply( AttributeUpdateFormData[] pAttributeUpdates )
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            mChildren[i].apply( pAttributeUpdates );
        }
    }

    public boolean anyUserInitiatedRowChange()
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            if ( mChildren[i].anyUserInitiatedRowChange() )
            {
                return true;
            }
        }
        return false;
    }

    public boolean recalcAnyAttributes( FormAttributeAdapter.BooleanValueAccessor pValueAccessor )
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            if ( mChildren[i].recalcAnyAttributes( pValueAccessor ) )
            {
                return true;
            }
        }
        return false;
    }

    public void publishAnyPendingAttributeChanges()
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            mChildren[i].publishAnyPendingAttributeChanges();
        }
    }

    public void apply( RelSubFormRowKeys[] pList, boolean pFullUpdate, boolean pUserInitiatedAddOrRemoveRow )
    {
        for ( int i = 0; i < mChildren.length; i++ )
        {
            mChildren[i].apply( pList, pFullUpdate, pUserInitiatedAddOrRemoveRow );
        }
    }

    private static RelSubFormInstanceComponentHandlerImpl[] append( RelSubFormInstanceComponentHandlerImpl[] pOrig,
                                                                    RelSubFormInstanceComponentHandlerImpl pNew )
    {
        RelSubFormInstanceComponentHandlerImpl[] newArray = new RelSubFormInstanceComponentHandlerImpl[pOrig.length + 1];
        int i = 0;
        for ( ; i < pOrig.length; i++ )
        {
            newArray[i] = pOrig[i];
        }
        newArray[i] = pNew;
        return newArray;
    }
}