root/platform/silverlight/Paint/trunk/src/Paint/Controls/NumericUpDown.xaml.cs @ 9437

#region license
/*
Copyright (c) 2008, Kouji Yamaguchi
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

* Neither the name of coma2n nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#endregion

#region namespaces

using System;
using System.Windows;
using System.Windows.Controls;

#endregion

namespace Paint.Controls {
        /// <summary>
        /// 
        /// </summary>
    public partial class NumericUpDown : UserControl {

        #region fields

        /// <summary>
        /// Value
        /// </summary>
        public static readonly DependencyProperty ValueProperty = DependencyProperty.Register(
            "Value", typeof(double), typeof(NumericUpDown),
            (d, e) => ((NumericUpDown)d).valueText.Text = e.NewValue.ToString()
        );
        /// <summary>
        /// Maximum
        /// </summary>
        public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register(
            "Maximum", typeof(double), typeof(NumericUpDown), (d, e) => { }
        );
        /// <summary>
        /// Minimum
        /// </summary>
        public static readonly DependencyProperty MinimumProperty = DependencyProperty.Register(
            "Minimum", typeof(double), typeof(NumericUpDown), (d, e) => { }
        );
        /// <summary>
        /// Increment
        /// </summary>
        public static readonly DependencyProperty IncrementProperty = DependencyProperty.Register(
            "Increment", typeof(double), typeof(NumericUpDown), (d, e) => { }
        );

        #endregion

        #region properties

        /// <summary>
        /// 値を取得、設定します。
        /// </summary>
        public double Value {
            get {
                return (double)this.GetValue(ValueProperty);
            }
            set {
                this.SetValue(ValueProperty, value);
            }
        }

        /// <summary>
        /// 最大値を取得、設定します。
        /// </summary>
        public double Maximum {
            get {
                return (double)this.GetValue(MaximumProperty);
            }
            set {
                this.SetValue(MaximumProperty, value);
            }
        }

        /// <summary>
        /// 最小値を取得、設定します。
        /// </summary>
        public double Minimum {
            get {
                return (double)this.GetValue(MinimumProperty);
            }
            set {
                this.SetValue(MinimumProperty, value);
            }
        }

        /// <summary>
        /// 増減値を取得、設定します。
        /// </summary>
        public double Increment {
            get {
                return (double)this.GetValue(IncrementProperty);
            }
            set {
                this.SetValue(IncrementProperty, value);
            }
        }

        #endregion

        #region event

        /// <summary>
        /// 値が変更された時に呼び出されます。
        /// </summary>
        public event RoutedEventHandler ValueChanged;
        /// <summary>
        /// ValueChangedイベントを呼び出します。
        /// </summary>
        /// <param name="e"></param>
        protected virtual void OnValueChanged(RoutedEventArgs e) {
            if(ValueChanged != null) ValueChanged(this, e);
        }

        #endregion

        #region constructors

        /// <summary>
        /// 標準的なコンストラクタ
        /// </summary>
        public NumericUpDown() {
            InitializeComponent();

            Value = 0;
            Maximum = 100;
            Minimum = 0;
            Increment = 1;
        }

        #endregion

        #region handlers

        private void upButton_Click(object sender, RoutedEventArgs e) {
            if(Value + Increment > Maximum) return;

            Value += Increment;

            OnValueChanged(new RoutedEventArgs {
                Source = this
            });
        }

        private void downButton_Click(object sender, RoutedEventArgs e) {
            if(Value - Increment < Minimum) return;

            Value -= Increment;

            OnValueChanged(new RoutedEventArgs {
                Source = this
            });
        }

        #endregion

    }
}