com.gwtmodel.table.view.ewidget.polymer.IronSelectorPolymerCombo.java Source code

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Here is the source code for com.gwtmodel.table.view.ewidget.polymer.IronSelectorPolymerCombo.java

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/*
 * Copyright 2017 stanislawbartkowski@gmail.com 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not ue this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * http://www.apache.org/licenses/LICENSE-2.0 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */
package com.gwtmodel.table.view.ewidget.polymer;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.ui.Widget;
import com.gwtmodel.table.IVField;
import com.gwtmodel.table.common.CUtil;
import com.gwtmodel.table.editw.IFormFieldProperties;
import com.vaadin.polymer.iron.event.IronSelectEvent;
import com.vaadin.polymer.iron.widget.IronSelector;

class IronSelectorPolymerCombo extends AbstractWField {

    private final IronSelector iSel;

    protected IronSelectorPolymerCombo(IVField v, IFormFieldProperties pr, IronSelector iSel) {
        super(v, pr, null);
        this.iSel = iSel;

        iSel.getPolymerElement().addEventListener(IronSelectEvent.NAME, e -> {
            onChangeEdit(true);
        });
    }

    @Override
    public void setReadOnly(boolean readOnly) {
        iSel.setDisabled(readOnly);
    }

    @Override
    public void setHidden(boolean hidden) {
        iSel.setVisible(!hidden);
    }

    private String getV(JavaScriptObject o, Object oo) {
        String a = iSel.getAttrForSelected();
        String ss;
        if (oo == null)
            ss = o.toString();
        else
            ss = oo.toString();
        if (!CUtil.EmptyS(a))
            return ss;
        // index
        if (!CUtil.OkInteger(ss))
            return ss;
        int i = CUtil.getNumb(ss);
        JsArray li = iSel.getItems();
        JavaScriptObject obj = li.get(i);
        Element ele = obj.cast();
        String in = ele.getInnerText();
        String sss = obj.getClass().getName();
        return in;
    }

    @Override
    public Object getValObj() {
        if (iSel.getMulti()) {
            JsArray selected = iSel.getSelectedValues();
            if (selected == null)
                return null;
            String res = null;
            for (int i = 0; i < selected.length(); i++) {
                if (res == null)
                    res = getV(selected.get(i), null);
                else
                    res = res + "," + getV(selected.get(i), null);
            }
            return res;
        }
        Object o = iSel.getSelected();
        return getV(null, o);
    }

    @Override
    public void setValObj(Object o) {
        if (o == null)
            return;
        iSel.setSelected(o);
    }

    @Override
    public Widget getGWidget() {
        return iSel;
    }
}