ExpandingPreviousNode.java

package net.squiz.matrix.matrixtree;

import net.squiz.matrix.core.*;

public class ExpandingPreviousNode extends ExpandingNode {

    public ExpandingPreviousNode(int parentTotalAssets, int currentAssetsCount, int viewedAssetsCount) {
        setParentTotalAssets(parentTotalAssets);
        setCurrentAssetsCount(currentAssetsCount);
        setViewedAssetsCount(viewedAssetsCount);

        int to = (getCurrentLoc()+AssetManager.getLimit());
        if (to > parentTotalAssets) {
            to = parentTotalAssets;
        }
        Asset expandingAsset = new ExpandingAsset(getName());
        setUserObject(expandingAsset);
        setCueModeName(Matrix.translate("asset_map_expanding_node_move_to_previous_set"));
    }

    public int getStartLoc(int evtX, double boundsX) {
        int res = evtX - (int)boundsX;
        if (res >=0 && res <=12) {
            // first img clicked, we will get previous set of nodes
            if (getViewedAssetsCount() <= AssetManager.getLimit()) {
                return 0;
            } else {
                return getViewedAssetsCount() - AssetManager.getLimit();
            }
        } else if (res >=13 && res <= 35) {
            // second img clicked, get the first set of nodes
            return 0;
        } else {
            return -1;
        }
    }

}