view flys-client/src/main/java/de/intevation/flys/client/client/ui/wq/ClickableWTable.java @ 4205:0dd8963cec9c

Set also the width of the GaugeTree when resizing the GaugePanel GWT is no longer able to calculate and set the correct width of the GaugeTree since the GaugeTree is added via a Canvas wrapper. Therefore set the width manually when resizing the GaugeTree.
author Björn Ricks <bjoern.ricks@intevation.de>
date Mon, 22 Oct 2012 15:33:16 +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);
        }
    }
}

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