Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/wq/ClickableWTable.java @ 4254:33b15ac17fd1
Only create and add GaugePanel when necessary
The GaugePanel isn't created always and only show if WINFO and a river is
selected now. It is only created on demand. Therefore all access to the
GaugePanel is abstraced via methods that check if the GaugePanel is null before
accessing it's methods.
author | Björn Ricks <bjoern.ricks@intevation.de> |
---|---|
date | Thu, 25 Oct 2012 13:58:53 +0200 |
parents | 1cdbd8a0c994 |
children | 623e5c9f91ef |
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package de.intevation.flys.client.client.ui.wq; import com.google.gwt.core.client.GWT; import com.google.gwt.i18n.client.NumberFormat; import com.smartgwt.client.data.Record; import com.smartgwt.client.types.ListGridFieldType; import com.smartgwt.client.types.SelectionStyle; 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.grid.events.CellClickEvent; import com.smartgwt.client.widgets.grid.events.CellClickHandler; import de.intevation.flys.client.client.FLYSConstants; public class ClickableWTable extends ListGrid { public static enum ClickMode { NONE, SINGLE, RANGE } public static interface WClickedListener { void clickedLower(double value); void clickedUpper(double value); } /** The message class that provides i18n strings. */ protected FLYSConstants MESSAGE = GWT.create(FLYSConstants.class); private WClickedListener wClickedListener; private ClickMode clickMode; public ClickableWTable() { this.clickMode = ClickMode.NONE; init(); } public ClickableWTable(WClickedListener lowerListener, ClickMode selectionMode) { this.wClickedListener = lowerListener; this.clickMode = selectionMode; init(); } private void init() { setWidth100(); setHeight100(); setSelectionType(SelectionStyle.NONE); setSelectionType(SelectionStyle.NONE); setShowHeaderContextMenu(false); setShowRecordComponents(true); setShowRecordComponentsByCell(true); setEmptyMessage(MESSAGE.empty_table()); ListGridField name = new ListGridField("name", MESSAGE.name()); name.setType(ListGridFieldType.TEXT); name.setWidth("*"); ListGridField type = new ListGridField("type", MESSAGE.type()); type.setType(ListGridFieldType.TEXT); type.setWidth("50"); final NumberFormat nf = NumberFormat.getDecimalFormat(); ListGridField value = new ListGridField("value", MESSAGE.wq_value_w()); value.setType(ListGridFieldType.FLOAT); value.setCellFormatter(new CellFormatter() { @Override public String format(Object v, ListGridRecord r, int row, int col) { if (v == null) { return null; } try { double value = Double.valueOf(v.toString()); return nf.format(value); } catch (NumberFormatException nfe) { return v.toString(); } } }); switch (clickMode) { case NONE: setFields(name, type, value); break; case SINGLE: initSingleClickMode(name, type, value); break; case RANGE: initRangeClickMode(name, type, value); break; } } private void initSingleClickMode(ListGridField name, ListGridField type, ListGridField value) { ListGridField lower = new ListGridField("selection", MESSAGE.selection()); lower.setType(ListGridFieldType.ICON); lower.setWidth("65"); lower.setCellIcon(GWT.getHostPageBaseURL() + MESSAGE.markerGreen()); addCellClickHandler(new CellClickHandler() { @Override public void onCellClick(CellClickEvent event) { if (event.getColNum() == 0) { Record r = event.getRecord(); double val = r.getAttributeAsDouble("value"); fireLowerClickEvent(val); } } }); setFields(lower, name, type, value); } private void initRangeClickMode(ListGridField name, ListGridField type, ListGridField value) { ListGridField lower = new ListGridField("lower", MESSAGE.lower()); lower.setType(ListGridFieldType.ICON); lower.setWidth("50"); lower.setCellIcon(GWT.getHostPageBaseURL() + MESSAGE.markerRed()); addCellClickHandler(new CellClickHandler() { @Override public void onCellClick(CellClickEvent event) { if (event.getColNum() == 0) { Record r = event.getRecord(); double val = r.getAttributeAsDouble("value"); fireLowerClickEvent(val); } } }); ListGridField upper = new ListGridField("upper", MESSAGE.upper()); upper.setType(ListGridFieldType.ICON); upper.setWidth("50"); upper.setCellIcon(GWT.getHostPageBaseURL() + MESSAGE.markerGreen()); addCellClickHandler(new CellClickHandler() { @Override public void onCellClick(CellClickEvent event) { if (event.getColNum() == 1) { Record r = event.getRecord(); double val = r.getAttributeAsDouble("value"); fireUpperClickEvent(val); } } }); setFields(lower, upper, name, type, value); } private void fireLowerClickEvent(double value) { if (wClickedListener != null) { wClickedListener.clickedLower(value); } } private void fireUpperClickEvent(double value) { if (wClickedListener != null) { wClickedListener.clickedUpper(value); } } }