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CheckedListBox.razor.cs
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1260 lines (1123 loc) · 41.2 KB
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#region using statements
using DataJuggler.Blazor.Components.Enumerations;
using DataJuggler.Blazor.Components.Interfaces;
using DataJuggler.Blazor.Components.Util;
using DataJuggler.UltimateHelper;
using Microsoft.AspNetCore.Components;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Threading.Tasks;
#endregion
namespace DataJuggler.Blazor.Components
{
#region class CheckedListBox
/// <summary>
/// This class is a work in progress.
/// </summary>
public partial class CheckedListBox : IBlazorComponentParent, IBlazorComponent
{
#region Private Variables
private double checkBoxX;
private double checkBoxY;
private List<CheckBoxComponent> checkBoxes;
private string displayStyle;
private double height;
private string heightStyle;
private string heightUnit;
private List<Item> items;
private string labelText;
private double left;
private string leftStyle;
private Color listBackgroundColor;
private Color listItemBackgroundColor;
private double listItemHeight;
private double listItemMarginBottom;
private double listItemLeft;
private string listItemPosition;
private Color listItemTextColor;
private double listItemTop;
private double listItemWidth;
private string listItemWidthStyle;
private string name;
private IBlazorComponentParent parent;
private string position;
private double fontSize;
private double top;
private string topStyle;
private string unit;
private int visibleCount;
private double width;
private int zIndex;
private string listItemClassName;
private string className;
private double labelWidth;
private double checkBoxTextX;
private double checkBoxTextY;
private double checkBoxHeight;
private double checkBoxWidth;
private bool notifyParentOnBlur;
private bool visible;
private string visibility;
// reverting back to BlazorStyled
private string checkedlistboxStyle;
private string listitemStyle;
#endregion
#region Constructor
/// <summary>
/// Create a new instance of a 'CheckedListBox' object.
/// </summary>
public CheckedListBox()
{
// Perform initializations for this object
Init();
}
#endregion
#region Methods
#region CheckIfComponentIsRegistered(CheckBoxComponent component)
/// <summary>
/// returns the If Component Is Registered
/// </summary>
public bool CheckIfComponentIsRegistered(CheckBoxComponent component)
{
// initial value (default to false)
bool isComponentRegistered = false;
// if the value for HasCheckBoxes is true
if (HasCheckBoxes)
{
// Iterate the collection of CheckBoxes objects
foreach (CheckBoxComponent checkBox in CheckBoxes)
{
// if the ExternalId's match
if ((checkBox.ExternalId == component.ExternalId) && (checkBox.ExternalId > 0))
{
// set the return value
isComponentRegistered = true;
// break out of the loop
break;
}
}
}
// return value
return isComponentRegistered;
}
#endregion
#region FindItemById(int id)
/// <summary>
/// returns the Item By Id
/// </summary>
public Item FindItemById(int id)
{
// initial value
Item item = null;
// if the value for HasItems is true
if (HasItems)
{
// Iterate the collection of Item objects
foreach (Item temp in Items)
{
// if this is the item being sought
if (temp.Id == id)
{
// set the return value
item = temp;
// break out of the loop
break;
}
}
}
// return value
return item;
}
#endregion
#region HandleOnBlur()
/// <summary>
/// method Handle Blur
/// </summary>
private void HandleOnBlur()
{
// if the value for NotifyParentOnBlur is true
if ((HasParent) && (NotifyParentOnBlur))
{
Message message = new Message();
message.Sender = this;
message.Text = "OnBlurFired";
// Notify the parent
parent.ReceiveData(message);
}
}
#endregion
#region Init()
/// <summary>
/// This method performs initializations for this object.
/// </summary>
public void Init()
{
// Create a new collection of 'CheckBoxComponent' objects.
CheckBoxes = new List<CheckBoxComponent>();
// Units must be first
Unit = "px";
HeightUnit = "px";
FontSize = GlobalDefaults.LabelFontSize;
// Defaults
CheckBoxHeight = 16;
CheckBoxWidth = 16;
CheckBoxTextX = 3.2;
CheckBoxTextY = -3.2;
ClassName = "";
Height = 96;
Left = 32;
ListItemHeight = 24;
ListItemWidth = 140;
Position = "relative";
VisibleCount = 5;
Items = new List<Item>();
ListItemPosition = "relative";
ListItemBackgroundColor = Color.White;
ListBackgroundColor = Color.White;
ListItemClassName = "textdonotwrap";
ListItemLeft = 4;
ListItemTextColor = Color.Black;
ListItemTop = 4;
Visible = true;
NotifyParentOnBlur = true;
Width = 244;
ZIndex = 40;
}
#endregion
#region OnAfterRenderAsync(bool firstRender)
/// <summary>
/// This method is used to verify a user
/// </summary>
/// <param name="firstRender"></param>
/// <returns></returns>
protected async override Task OnAfterRenderAsync(bool firstRender)
{
try
{
// if the Items do not exist for some reason
if (!ListHelper.HasOneOrMoreItems(Items))
{
// Request Items be sent
RequestItems();
// if now there are more than one
if (ListHelper.HasOneOrMoreItems(Items))
{
// Update the
Refresh();
}
}
}
catch (Exception error)
{
DebugHelper.WriteDebugError("OnAfterRenderAsync", "CheckedListBox", error);
}
// call the base
await base.OnAfterRenderAsync(firstRender);
}
#endregion
#region ReceiveData(Message message)
/// <summary>
/// method returns the Data
/// </summary>
public void ReceiveData(Message message)
{
// If the message object exists
if (NullHelper.Exists(message))
{
// if a checkbox was checked
if (message.Text == "ItemSelected")
{
// if the value for HasItems is true
if (ListHelper.HasOneOrMoreItems(Items))
{
// find this item
Item item = FindItemById(message.Id);
// if the item was found
if (NullHelper.Exists(item))
{
// store
item.ItemChecked = message.CheckedValue;
// if there is a parent
if (HasParent)
{
// Notify the parent
Parent.ReceiveData(message);
}
}
}
else
{
// Send a message to clear
message.Text = "Clear";
// Notify the parent
Parent.ReceiveData(message);
}
}
}
}
#endregion
#region Refresh()
/// <summary>
/// method Refresh
/// </summary>
public void Refresh()
{
// Update the UI
InvokeAsync(() =>
{
StateHasChanged();
});
}
#endregion
#region Register(IBlazorComponent component)
/// <summary>
/// method returns the
/// </summary>
public void Register(IBlazorComponent component)
{
// is this component a CheckBoxComponent
if (component is CheckBoxComponent checkBox)
{
// check if this checkBox is already registered
bool isComponentRegistered = CheckIfComponentIsRegistered(checkBox);
// if the value for isComponentRegistered is false
if (!isComponentRegistered)
{
// Add to the list
CheckBoxes.Add(checkBox);
}
}
}
#endregion
#region RequestItems()
/// <summary>
/// Request Items
/// </summary>
public void RequestItems()
{
// if the value for HasComboBoxParent is true
if (HasComboBoxParent)
{
Message message = new Message();
message.Sender = this;
message.Text = "SendItems";
// send a message to the parent
ComboBoxParent.ReceiveData(message);
}
}
#endregion
#region SetItems(List<Item> items, bool refresh = true)
/// <summary>
/// Set Items
/// </summary>
public void SetItems(List<Item> items, bool refresh = true)
{
// store
Items = items;
// Set the value for the property 'Visible' to true
Visible = true;
// if the value for refresh is true
if (refresh)
{
// update the UI
Refresh();
}
}
#endregion
#region SetVisible(bool visible)
/// <summary>
/// Set Visible
/// </summary>
public void SetVisible(bool visible)
{
// set the value
Visible = visible;
}
#endregion
#endregion
#region Properties
#region CheckBoxes
/// <summary>
/// This property gets or sets the value for 'CheckBoxes'.
/// </summary>
public List<CheckBoxComponent> CheckBoxes
{
get { return checkBoxes; }
set { checkBoxes = value; }
}
#endregion
#region CheckBoxHeight
/// <summary>
/// This property gets or sets the value for 'CheckBoxHeight'.
/// </summary>
[Parameter]
public double CheckBoxHeight
{
get { return checkBoxHeight; }
set { checkBoxHeight = value; }
}
#endregion
#region CheckBoxTextX
/// <summary>
/// This property gets or sets the value for 'CheckBoxTextX'.
/// </summary>
[Parameter]
public double CheckBoxTextX
{
get { return checkBoxTextX; }
set { checkBoxTextX = value; }
}
#endregion
#region CheckBoxTextY
/// <summary>
/// This property gets or sets the value for 'CheckBoxTextY'.
/// </summary>
[Parameter]
public double CheckBoxTextY
{
get { return checkBoxTextY; }
set { checkBoxTextY = value; }
}
#endregion
#region CheckBoxWidth
/// <summary>
/// This property gets or sets the value for 'CheckBoxWidth'.
/// </summary>
[Parameter]
public double CheckBoxWidth
{
get { return checkBoxWidth; }
set { checkBoxWidth = value; }
}
#endregion
#region CheckBoxX
/// <summary>
/// This property gets or sets the value for 'CheckBoxX'.
/// </summary>
[Parameter]
public double CheckBoxX
{
get { return checkBoxX; }
set { checkBoxX = value; }
}
#endregion
#region CheckBoxY
/// <summary>
/// This property gets or sets the value for 'CheckBoxY'.
/// </summary>
[Parameter]
public double CheckBoxY
{
get { return checkBoxY; }
set { checkBoxY = value; }
}
#endregion
#region CheckedlistboxStyle
/// <summary>
/// This property gets or sets the value for 'CheckedlistboxStyle'.
/// </summary>
public string CheckedlistboxStyle
{
get { return checkedlistboxStyle; }
set { checkedlistboxStyle = value; }
}
#endregion
#region ClassName
/// <summary>
/// This property gets or sets the value for 'ClassName'.
/// </summary>
[Parameter]
public string ClassName
{
get { return className; }
set { className = value; }
}
#endregion
#region ComboBox
/// <summary>
/// This read only property returns the value of ComboBox from the object Parent.
/// </summary>
public ComboBox ComboBox
{
get
{
// initial value
ComboBox comboBox = null;
// if Parent exists
if (Parent != null)
{
// set the return value
comboBox = Parent as ComboBox;
}
// return value
return comboBox;
}
}
#endregion
#region ComboBoxParent
/// <summary>
/// This read only property returns the value of ComboBoxParent from the object Parent.
/// </summary>
public IBlazorComponent ComboBoxParent
{
get
{
// initial value
IBlazorComponent comboBoxParent = null;
// if Parent exists
if (Parent != null)
{
// set the return value
comboBoxParent = Parent as IBlazorComponent;
}
// return value
return comboBoxParent;
}
}
#endregion
#region DisplayStyle
/// <summary>
/// This property gets or sets the value for 'DisplayStyle'.
/// </summary>
public string DisplayStyle
{
get { return displayStyle; }
set { displayStyle = value; }
}
#endregion
#region FontSize
/// <summary>
/// This property gets or sets the value for 'FontSize'.
/// </summary>
[Parameter]
public double FontSize
{
get { return fontSize; }
set { fontSize = value; }
}
#endregion
#region FontSizeStyle
/// <summary>
/// This read only property returns the value of FontSize + Unit
/// </summary>
public string FontSizeStyle
{
get
{
// initial value
string fontSizeStyle = FontSize + Unit;
// return value
return fontSizeStyle;
}
}
#endregion
#region HasCheckBoxes
/// <summary>
/// This property returns true if this object has a 'CheckBoxes'.
/// </summary>
public bool HasCheckBoxes
{
get
{
// initial value
bool hasCheckBoxes = (CheckBoxes != null);
// return value
return hasCheckBoxes;
}
}
#endregion
#region HasComboBoxParent
/// <summary>
/// This property returns true if this object has a 'ComboBoxParent'.
/// </summary>
public bool HasComboBoxParent
{
get
{
// initial value
bool hasComboBoxParent = (this.ComboBoxParent != null);
// return value
return hasComboBoxParent;
}
}
#endregion
#region HasItems
/// <summary>
/// This property returns true if this object has an 'Items'.
/// </summary>
public bool HasItems
{
get
{
// initial value
bool hasItems = (this.Items != null);
// return value
return hasItems;
}
}
#endregion
#region HasParent
/// <summary>
/// This property returns true if this object has a 'Parent'.
/// </summary>
public bool HasParent
{
get
{
// initial value
bool hasParent = (this.Parent != null);
// return value
return hasParent;
}
}
#endregion
#region Height
/// <summary>
/// This property gets or sets the value for 'Height'.
/// </summary>
[Parameter]
public double Height
{
get { return height; }
set
{
height = value;
// Set the height headerStyle string
HeightStyle = height + HeightUnit;
}
}
#endregion
#region HeightStyle
/// <summary>
/// This property gets or sets the value for 'HeightStyle'.
/// </summary>
public string HeightStyle
{
get { return heightStyle; }
set { heightStyle = value; }
}
#endregion
#region HeightUnit
/// <summary>
/// This property gets or sets the value for 'HeightUnit'.
/// </summary>
[Parameter]
public string HeightUnit
{
get { return heightUnit; }
set { heightUnit = value; }
}
#endregion
#region Items
/// <summary>
/// This property gets or sets the value for 'Items'.
/// </summary>
[Parameter]
public List<Item> Items
{
get { return items; }
set { items = value; }
}
#endregion
#region LabelText
/// <summary>
/// This property gets or sets the value for 'LabelText'.
/// </summary>
public string LabelText
{
get { return labelText; }
set { labelText = value; }
}
#endregion
#region LabelWidth
/// <summary>
/// This property gets or sets the value for 'LabelWidth'.
/// </summary>
[Parameter]
public double LabelWidth
{
get { return labelWidth; }
set { labelWidth = value; }
}
#endregion
#region Left
/// <summary>
/// This property gets or sets the value for 'Left'.
/// </summary>
[Parameter]
public double Left
{
get { return left; }
set
{
left = value;
// set the value for leftStyle
leftStyle = left + Unit;
}
}
#endregion
#region LeftStyle
/// <summary>
/// This property gets or sets the value for 'LeftStyle'.
/// </summary>
public string LeftStyle
{
get { return leftStyle; }
set { leftStyle = value; }
}
#endregion
#region ListBackgroundColor
/// <summary>
/// This property gets or sets the value for 'ListBackgroundColor'.
/// </summary>
[Parameter]
public Color ListBackgroundColor
{
get { return listBackgroundColor; }
set { listBackgroundColor = value; }
}
#endregion
#region ListItemBackgroundColor
/// <summary>
/// This property gets or sets the value for 'ListItemBackgroundColor'.
/// </summary>
[Parameter]
public Color ListItemBackgroundColor
{
get { return listItemBackgroundColor; }
set { listItemBackgroundColor = value; }
}
#endregion
#region ListItemBackgroundColorName
/// <summary>
/// This read only property returns the value of listItemBackgroundColor from the object ListBackgroundColor.
/// </summary>
public string ListItemBackgroundColorName
{
get
{
// initial value
string listBackgroundColorName = listItemBackgroundColor.Name;
// return value
return listBackgroundColorName;
}
}
#endregion
#region ListItemClassName
/// <summary>
/// This property gets or sets the value for 'ListItemClassName'.
/// </summary>
[Parameter]
public string ListItemClassName
{
get { return listItemClassName; }
set { listItemClassName = value; }
}
#endregion
#region ListItemHeight
/// <summary>
/// This property gets or sets the value for 'ListItemHeight'.
/// </summary>
[Parameter]
public double ListItemHeight
{
get { return listItemHeight; }
set { listItemHeight = value; }
}
#endregion
#region ListItemHeightStyle
/// <summary>
/// This read only property returns the value of ListItemHeightStyle from the object ListItemHeight.
/// </summary>
public string ListItemHeightStyle
{
get
{
// initial value
string listItemHeightStyle = ListItemHeight + HeightUnit;
// return value
return listItemHeightStyle;
}
}
#endregion
#region ListItemLeft
/// <summary>
/// This property gets or sets the value for 'ListItemLeft'.
/// </summary>
[Parameter]
public double ListItemLeft
{
get { return listItemLeft; }
set { listItemLeft = value; }
}
#endregion
#region ListItemLeftStyle
/// <summary>
/// This read only property returns the value of ListItemLeftStyle from the object ListItemLeft.
/// </summary>
public string ListItemLeftStyle
{
get
{
// initial value
string listItemLeftStyle = ListItemLeft + unit;
// return value
return listItemLeftStyle;
}
}
#endregion
#region ListItemMarginBottom
/// <summary>
/// This property gets or sets the value for 'ListItemMarginBottom'.
/// </summary>
[Parameter]
public double ListItemMarginBottom
{
get { return listItemMarginBottom; }
set { listItemMarginBottom = value; }
}
#endregion
#region ListItemMarginBottomStyle
/// <summary>
/// This read only property returns the value of ListItemMarginBottomStyle from the object ListItemMarginBottom.
/// </summary>
public string ListItemMarginBottomStyle
{
get
{
// initial value
string listItemMarginBottomStyle = ListItemMarginBottom + HeightUnit;
// return value
return listItemMarginBottomStyle;
}
}
#endregion
#region ListItemPosition
/// <summary>
/// This property gets or sets the value for 'ListItemPosition'.
/// </summary>
[Parameter]
public string ListItemPosition
{
get { return listItemPosition; }
set { listItemPosition = value; }
}
#endregion
#region ListitemStyle
/// <summary>
/// This property gets or sets the value for 'ListitemStyle'.
/// </summary>
public string ListitemStyle
{
get { return listitemStyle; }
set { listitemStyle = value; }
}
#endregion
#region ListItemTextColor
/// <summary>
/// This property gets or sets the value for 'ListItemTextColor'.
/// </summary>
[Parameter]
public Color ListItemTextColor
{
get { return listItemTextColor; }
set { listItemTextColor = value; }
}
#endregion
#region ListItemTextColorName
/// <summary>
/// This read only property returns the value of ListItemTextColorName from the object ListItemTextColor.
/// </summary>
public string ListItemTextColorName
{
get
{
// initial value
string listItemTextColorName = ListItemTextColor.Name;
// return value
return listItemTextColorName;
}
}
#endregion
#region ListItemTop
/// <summary>
/// This property gets or sets the value for 'ListItemTop'.
/// </summary>
[Parameter]
public double ListItemTop
{
get { return listItemTop; }
set { listItemTop = value; }
}
#endregion
#region ListItemTopStyle
/// <summary>
/// This read only property returns the value of ListItemTopStyle from the object ListItemTop.
/// </summary>
public string ListItemTopStyle
{
get
{
// initial value
string listItemTopStyle = ListItemTop + HeightUnit;
// return value
return listItemTopStyle;
}
}
#endregion
#region ListItemWidth
/// <summary>
/// This property gets or sets the value for 'ListItemWidth'.
/// </summary>
[Parameter]
public double ListItemWidth
{
get { return listItemWidth; }
set
{
listItemWidth = value;
// Set the value
ListItemWidthStyle = listItemWidth + Unit;
}
}
#endregion
#region ListItemWidthStyle
/// <summary>
/// This property gets or sets the value for 'ListItemWidthStyle'.
/// </summary>