Android Open Source - dbfragments Filter

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Yuriy Tkachenko//from  w  w  w  .j  av a 2s. c o m
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use 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 db.fragments;

import android.content.Context;
import android.text.InputType;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TextView;

/**
 * Base class for filter definitions
 */
public class Filter extends LinearLayout {

  DBFragment dbactivity;
  TextView label;
  String fld_name;
  Spinner combo;
  Control e_ctrl = null;

  public Filter(Context context) {
    super(context);
  }

  public static Filter newInstance(Context parent, DBFragment dba, Column col) {
    Filter f = new Filter(parent);
    f.setOrientation(LinearLayout.VERTICAL);
    f.dbactivity = (DBFragment) dba;
    f.label = new TextView(parent);
    f.label.setText(col.title);
    f.fld_name = col.name;
    String[] choices = new String[] { "", "=", "<=", ">=", "<", ">", "like" };
    f.combo = new Spinner(parent);
    ArrayAdapter<String> adapter = new ArrayAdapter<String>(parent,
        android.R.layout.simple_spinner_item, choices);
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    f.combo.setAdapter(adapter);

    boolean is_choose = (col.choose != null) ? true : false;

    if (col.dataType == G.INTEGER) {
      if (col.foreign != null) {
        f.e_ctrl = Foreign.newInstance(parent, false, col.foreign);
      } else {
        if (is_choose) {
          f.e_ctrl = Chooser.newInstance(parent, col.choose);
        } else {
          f.e_ctrl = new Edit(parent);
          ((TextView) f.e_ctrl)
              .setRawInputType(InputType.TYPE_CLASS_NUMBER);
        }
      }
    } else if (col.dataType == G.REAL) {
      f.e_ctrl = new Edit(parent);
      ((TextView) f.e_ctrl).setRawInputType(InputType.TYPE_CLASS_NUMBER
          | InputType.TYPE_NUMBER_FLAG_DECIMAL);
    } else if (col.dataType == G.DATE) {
      f.e_ctrl = new DateChooser(parent);
    } else
      f.e_ctrl = new Edit(parent);

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
        LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
    params.weight = 1;

    ((View) f.e_ctrl).setLayoutParams(params);

    f.addView(f.label);
    LinearLayout layout = new LinearLayout(parent);
    layout.addView(f.combo);
    layout.addView((View) f.e_ctrl);
    f.addView(layout);
    return f;
  }

  /**
   * flst = {title, name, expression, value}
   */
  public void set_flist(String[] flst) {
    label.setText(flst[0]);
    fld_name = flst[1];
    @SuppressWarnings("unchecked")
    ArrayAdapter<String> adap = (ArrayAdapter<String>) combo.getAdapter();
    int pos = adap.getPosition(flst[2]);
    combo.setSelection(pos);
    if (e_ctrl instanceof Foreign) {
      ((Foreign) e_ctrl).setText(flst[3]
          + " "
          + ((Foreign) e_ctrl).foreign.dbfragment.get_by_value(
              ((Foreign) e_ctrl).foreign.keyField, flst[3],
              ((Foreign) e_ctrl).foreign.showField));
    } else {
      e_ctrl.setText(flst[3]);
    }
  }

  public String[] get_flist() {
    String v = e_ctrl.getText().toString();
    int lv = v.length();
    if (e_ctrl instanceof Foreign && lv > 0) {
      v = v.split(" ")[0];
    }
    return new String[] { (String) label.getText(), fld_name,
        combo.getSelectedItem().toString(), v };
  }
}

Java Source Code List

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