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package cn.mapway.document.ui.client.test;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.logical.shared.HasCloseHandlers;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Widget;
import cn.mapway.document.ui.client.main.storage.LocalStorage;

// TODO: Auto-generated Javadoc

/**
 * The Class InputHistoryPanel.
 */
public class InputHistoryPanel extends Composite implements
		HasCloseHandlers {

	/** The ui binder. */
	private static InputHistoryPanelUiBinder uiBinder = GWT
			.create(InputHistoryPanelUiBinder.class);

    /**
     * The Interface InputHistoryPanelUiBinder.
     */
    interface InputHistoryPanelUiBinder extends
			UiBinder {
	}

    /**
     * Instantiates a new input history panel.
     */
    public InputHistoryPanel() {
		initWidget(uiBinder.createAndBindUi(this));
	}

    /**
     * The current.
     */
    HistoryItem current = null;

    /**
     * The content.
     */
    @UiField
	HTMLPanel content;
	
	/** The item click. */
	private ClickHandler itemClick = new ClickHandler() {

		@Override
		public void onClick(ClickEvent event) {
			HistoryItem item = (HistoryItem) event.getSource();
			CloseEvent.fire(InputHistoryPanel.this, item.getData());
		}
	};

    /**
     * Cleat content.
     */
    public void cleatContent() {
		content.clear();
	}

    /**
     * Adds the item.
     *
     * @param title the title
     * @param value the value
     */
    public void addItem(String title, String value) {
		HistoryItem item = new HistoryItem();
		HistoryData hd = new HistoryData(title, value);

		item.render(hd);
		item.addClickHandler(itemClick);
		content.add(item);
	}

	/* (non-Javadoc)
	 * @see com.google.gwt.event.logical.shared.HasCloseHandlers#addCloseHandler(com.google.gwt.event.logical.shared.CloseHandler)
	 */
	@Override
	public HandlerRegistration addCloseHandler(CloseHandler handler) {
		return addHandler(handler, CloseEvent.getType());
	}

    /**
     * Render.
     *
     * @param relativePath the relative path
     */
    public void render(String relativePath) {
		content.clear();
		String v = LocalStorage.val(relativePath);
		if (v == null || v.length() == 0) {
			return;
		}

		String[] vs = v.split("\\|");

		for (int index = 0; index < vs.length; index++) {
			String[] itemdata = vs[index].split("`");
			addItem(itemdata[0], itemdata[1]);

		}
		// 保留最后的10个记录
		if (vs.length > 10) {
			String fulldata = "";
			for (int i = 0; i < 10; i++) {
				if (i == 0) {
					fulldata = vs[i];
				} else {
					fulldata = "|" + vs[i];
				}
			}
			LocalStorage.save(relativePath, fulldata);
		}

	}
}