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156 lines
4.3 KiB
Java
156 lines
4.3 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.dataminermanager.client;
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import org.gcube.portlets.user.dataminermanager.client.DataMinerManager.MenuItem;
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import com.google.gwt.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.user.client.ui.HorizontalPanel;
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import com.google.gwt.user.client.ui.Image;
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/**
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*
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* @author Giancarlo Panichi email: <a
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* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public abstract class Header extends HorizontalPanel {
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public abstract void select(MenuItem menuItem);
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private Image menuGoBack, menuExperiment, menuDataSpace, menuComputations;
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private MenuItem currentSelection = null;
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/**
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*
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*/
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public Header() {
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super();
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// this.setStyleAttribute("background-color", "#FFFFFF");
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Image logo = new Image(DataMinerManager.resources.logoLittle());
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logo.setAltText("Data Miner Manager");
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logo.setTitle("Data Miner Manager");
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logo.addStyleName("menuImgLogo");
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menuGoBack = new Image(DataMinerManager.resources.goBack());
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menuGoBack.addStyleName("menuItemImage");
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menuGoBack.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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if (setMenuSelected(null))
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select(null);
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}
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});
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menuDataSpace = new Image(
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DataMinerManager.resources.menuItemInputspace());
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menuDataSpace.addStyleName("menuItemImage");
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menuDataSpace.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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if (setMenuSelected(MenuItem.DATA_SPACE))
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select(MenuItem.DATA_SPACE);
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}
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});
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menuExperiment = new Image(
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DataMinerManager.resources.menuItemExperiment());
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menuExperiment.addStyleName("menuItemImage");
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menuExperiment.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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if (setMenuSelected(MenuItem.EXPERIMENT))
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select(MenuItem.EXPERIMENT);
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}
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});
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menuComputations = new Image(
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DataMinerManager.resources.menuItemComputations());
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menuComputations.addStyleName("menuItemImage");
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menuComputations.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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if (setMenuSelected(MenuItem.COMPUTATIONS))
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select(MenuItem.COMPUTATIONS);
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}
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});
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add(logo);
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add(menuGoBack);
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add(menuDataSpace);
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add(menuExperiment);
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add(menuComputations);
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this.setCellWidth(logo, "100px");
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this.setCellWidth(menuGoBack, "100px");
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this.setCellWidth(menuDataSpace, "80px");
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this.setCellWidth(menuExperiment, "80px"); //
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this.setCellWidth(menuComputations, "80px");
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menuGoBack.setVisible(false);
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menuDataSpace.setVisible(false);
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menuExperiment.setVisible(false);
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menuComputations.setVisible(false);
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}
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/**
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* @param inputSpace
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*/
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public boolean setMenuSelected(MenuItem menuItem) {
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// return true if the menu was changed
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if (menuItem == currentSelection)
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return false; // nothing to change
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if (menuItem == null) {
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menuGoBack.setVisible(false);
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menuDataSpace.setVisible(false);
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menuExperiment.setVisible(false);
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menuComputations.setVisible(false);
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if (currentSelection == MenuItem.EXPERIMENT)
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menuExperiment.removeStyleName("menuItemImage-selected");
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else if (currentSelection == MenuItem.DATA_SPACE)
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menuDataSpace.removeStyleName("menuItemImage-selected");
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else if (currentSelection == MenuItem.COMPUTATIONS)
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menuComputations.removeStyleName("menuItemImage-selected");
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} else {
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if (currentSelection == null) {
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menuGoBack.setVisible(true);
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menuDataSpace.setVisible(true);
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menuExperiment.setVisible(true);
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menuComputations.setVisible(true);
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}
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if (currentSelection == MenuItem.EXPERIMENT)
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menuExperiment.removeStyleName("menuItemImage-selected");
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else if (currentSelection == MenuItem.DATA_SPACE)
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menuDataSpace.removeStyleName("menuItemImage-selected");
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else if (currentSelection == MenuItem.COMPUTATIONS)
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menuComputations.removeStyleName("menuItemImage-selected");
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/*
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* Image imgNew=menuExperiment;
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*/
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/*
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* Image imgNew = (menuItem == MenuItem.DATA_SPACE ? menuDataSpace :
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* menuExperiment);
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*/
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Image imgNew = (menuItem == MenuItem.DATA_SPACE ? menuDataSpace
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: (menuItem == MenuItem.EXPERIMENT ? menuExperiment
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: menuComputations));
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imgNew.addStyleName("menuItemImage-selected");
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}
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currentSelection = menuItem;
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return true;
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}
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}
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