/* * Smart GWT (GWT for SmartClient) * Copyright 2008 and beyond, Isomorphic Software, Inc. * * Smart GWT is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3 * as published by the Free Software Foundation. Smart GWT is also * available under typical commercial license terms - see * http://smartclient.com/license * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ /* * Smart GWT (GWT for SmartClient) * Copyright 2008 and beyond, Isomorphic Software, Inc. * * Smart GWT is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3 * is published by the Free Software Foundation. Smart GWT is also * available under typical commercial license terms - see * http://smartclient.com/license * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ import com.google.gwt.i18n.client.NumberFormat; import com.smartgwt.client.types.Alignment; import com.smartgwt.client.types.ListGridFieldType; import com.smartgwt.client.util.Offline; import com.smartgwt.client.util.SC; import com.smartgwt.client.util.ValueCallback; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.events.ClickEvent; import com.smartgwt.client.widgets.events.ClickHandler; import com.smartgwt.client.widgets.events.DrawEvent; import com.smartgwt.client.widgets.events.DrawHandler; import com.smartgwt.client.widgets.grid.CellFormatter; import com.smartgwt.client.widgets.grid.ListGrid; import com.smartgwt.client.widgets.grid.ListGridField; import com.smartgwt.client.widgets.grid.ListGridRecord; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.client.widgets.toolbar.ToolStrip; import com.smartgwt.client.widgets.toolbar.ToolStripButton; import com.smartgwt.sample.showcase.client.data.CountryXmlDS; import com.google.gwt.core.client.EntryPoint; public class OfflinePreferencesSample implements EntryPoint { private static int PK_COUNTER; public void onModuleLoad() { VLayout layout = new VLayout(15); layout.setWidth(650); layout.setAutoHeight(); final ListGrid countryGrid = new ListGrid(); countryGrid.setLeaveScrollbarGap(true); countryGrid.setCanFreezeFields(true); countryGrid.setCanGroupBy(true); countryGrid.setWidth100(); countryGrid.setHeight(224); countryGrid.setDataSource(CountryXmlDS.getInstance()); countryGrid.setAutoFetchData(true); //allow users to add formula and summary fields //accessible in the grid header context menu countryGrid.setCanAddFormulaFields(true); countryGrid.setCanAddSummaryFields(true); ListGridField countryCodeField = new ListGridField("countryCode", "Flag", 50); countryCodeField.setAlign(Alignment.CENTER); countryCodeField.setType(ListGridFieldType.IMAGE); countryCodeField.setImageURLPrefix("flags/16/"); countryCodeField.setImageURLSuffix(".png"); countryCodeField.setCanSort(false); ListGridField nameField = new ListGridField("countryName", "Country"); ListGridField capitalField = new ListGridField("capital", "Capital"); ListGridField populationField = new ListGridField("population", "Population"); populationField.setCellFormatter(new CellFormatter() { public String format(Object value, ListGridRecord record, int rowNum, int colNum) { if (value == null) return null; try { NumberFormat nf = NumberFormat.getFormat("0,000"); return nf.format(((Number) value).longValue()); } catch (Exception e) { return value.toString(); } } }); ListGridField areaField = new ListGridField("area", "Area (km²)"); areaField.setType(ListGridFieldType.INTEGER); areaField.setCellFormatter(new CellFormatter() { public String format(Object value, ListGridRecord record, int rowNum, int colNum) { if (value == null) return null; String val = null; try { NumberFormat nf = NumberFormat.getFormat("0,000"); val = nf.format(((Number) value).longValue()); } catch (Exception e) { return value.toString(); } return val + "km²"; } }); countryGrid.setFields(countryCodeField, nameField, capitalField, populationField, areaField); ToolStripButton formulaButton = new ToolStripButton("Formula Builder", "crystal/oo/sc_insertformula.png"); formulaButton.setAutoFit(true); formulaButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { countryGrid.addFormulaField(); } }); ToolStripButton summaryBuilder = new ToolStripButton("Summary Builder", "crystal/16/apps/tooloptions.png"); summaryBuilder.setAutoFit(true); summaryBuilder.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { countryGrid.addSummaryField(); } }); ToolStripButton savePreference = new ToolStripButton("Persist State", "silk/database_gear.png"); savePreference.setAutoFit(true); savePreference.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { String viewState = countryGrid.getViewState(); Offline.put("exampleState", viewState); SC.say("Preferences persisted."); } }); //toolstrip to attach to the country grid ToolStrip countryGridToolStrip = new ToolStrip(); countryGridToolStrip.setWidth100(); countryGridToolStrip.addFill(); countryGridToolStrip.addButton(formulaButton); countryGridToolStrip.addButton(summaryBuilder); countryGridToolStrip.addSeparator(); countryGridToolStrip.addButton(savePreference); VLayout countryGridLayout = new VLayout(0); countryGridLayout.setWidth(650); countryGridLayout.addMember(countryGridToolStrip); countryGridLayout.addMember(countryGrid); layout.addMember(countryGridLayout); final String previouslySavedState = (String) Offline.get("exampleState"); if (previouslySavedState != null) { countryGrid.addDrawHandler(new DrawHandler() { @Override public void onDraw(DrawEvent event) { //restore any previously saved view state for this grid countryGrid.setViewState(previouslySavedState); } }); } layout.draw(); } }