363 lines
9.8 KiB
C#
363 lines
9.8 KiB
C#
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//
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// TableLayoutSettings.cs
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2006 Jonathan Pobst
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//
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// Authors:
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// Jonathan Pobst (monkey@jpobst.com)
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//
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using System;
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using System.ComponentModel;
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using System.Collections.Generic;
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using System.Windows.Forms.Layout;
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using System.Runtime.Serialization;
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namespace System.Windows.Forms
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{
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[Serializable]
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[TypeConverter (typeof (TableLayoutSettingsTypeConverter))]
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public sealed class TableLayoutSettings : LayoutSettings, ISerializable
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{
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private TableLayoutColumnStyleCollection column_styles;
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private TableLayoutRowStyleCollection row_styles;
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private TableLayoutPanelGrowStyle grow_style;
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private int column_count;
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private int row_count;
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private Dictionary<Object, int> columns;
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private Dictionary<Object, int> column_spans;
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private Dictionary<Object, int> rows;
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private Dictionary<Object, int> row_spans;
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internal TableLayoutPanel panel;
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internal bool isSerialized;
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#region Internal Constructor
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internal TableLayoutSettings (TableLayoutPanel panel)
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{
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this.column_styles = new TableLayoutColumnStyleCollection (panel);
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this.row_styles = new TableLayoutRowStyleCollection (panel);
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this.grow_style = TableLayoutPanelGrowStyle.AddRows;
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this.column_count = 0;
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this.row_count = 0;
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this.columns = new Dictionary<object, int> ();
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this.column_spans = new Dictionary<object, int> ();
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this.rows = new Dictionary<object, int> ();
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this.row_spans = new Dictionary<object, int> ();
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this.panel = panel;
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}
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private TableLayoutSettings (SerializationInfo serializationInfo, StreamingContext context)
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{
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TypeConverter converter = TypeDescriptor.GetConverter (this);
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string text = serializationInfo.GetString ("SerializedString");
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if (!string.IsNullOrEmpty (text) && (converter != null)) {
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TableLayoutSettings settings = converter.ConvertFromInvariantString (text) as TableLayoutSettings;
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this.column_styles = settings.column_styles;
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this.row_styles = settings.row_styles;
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this.grow_style = settings.grow_style;
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this.column_count = settings.column_count;
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this.row_count = settings.row_count;
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this.columns = settings.columns;
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this.column_spans = settings.column_spans;
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this.rows = settings.rows;
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this.row_spans = settings.row_spans;
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this.panel = settings.panel;
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this.isSerialized = true;
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}
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}
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#endregion
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#region Public Properties
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[DefaultValue (0)]
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public int ColumnCount {
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get { return this.column_count; }
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set {
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if (value < 0)
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throw new ArgumentOutOfRangeException();
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if (column_count != value) {
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column_count = value;
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if (panel != null)
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panel.PerformLayout (panel, "ColumnCount");
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}
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}
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}
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[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
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public TableLayoutColumnStyleCollection ColumnStyles {
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get { return this.column_styles; }
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}
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[DefaultValue (TableLayoutPanelGrowStyle.AddRows)]
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public TableLayoutPanelGrowStyle GrowStyle {
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get { return this.grow_style; }
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set {
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if (!Enum.IsDefined (typeof(TableLayoutPanelGrowStyle), value))
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throw new ArgumentException();
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if (grow_style != value) {
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grow_style = value;
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if (panel != null)
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panel.PerformLayout (panel, "GrowStyle");
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}
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}
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}
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public override LayoutEngine LayoutEngine {
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get {
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if (panel != null)
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return panel.LayoutEngine;
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return base.LayoutEngine;
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}
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}
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[DefaultValue (0)]
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public int RowCount {
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get { return this.row_count; }
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set {
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if (value < 0)
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throw new ArgumentOutOfRangeException ();
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if (row_count != value) {
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row_count = value;
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if (panel != null)
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panel.PerformLayout ();
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}
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}
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}
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[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
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public TableLayoutRowStyleCollection RowStyles {
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get { return row_styles; }
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}
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#endregion
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#region Public Methods
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[DefaultValue (-1)]
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public TableLayoutPanelCellPosition GetCellPosition (Object control)
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{
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if (control == null)
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throw new ArgumentNullException ();
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int column;
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int row;
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if (!columns.TryGetValue (control, out column))
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{
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if (!(control is Control) || !columns.TryGetValue ((control as Control).Name, out column))
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column = -1;
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}
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if (!rows.TryGetValue (control, out row))
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{
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if (!(control is Control) || !rows.TryGetValue ((control as Control).Name, out row))
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row = -1;
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}
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return new TableLayoutPanelCellPosition (column, row);
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}
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[DefaultValue (-1)]
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public int GetColumn (Object control)
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{
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if (control == null)
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throw new ArgumentNullException ();
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int retval;
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if (columns.TryGetValue (control, out retval))
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return retval;
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if ((control is Control) && columns.TryGetValue ((control as Control).Name, out retval))
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return retval;
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return -1;
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}
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public int GetColumnSpan (Object control)
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{
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if (control == null)
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throw new ArgumentNullException ();
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int retval;
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if (column_spans.TryGetValue (control, out retval))
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return retval;
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if ((control is Control) && column_spans.TryGetValue ((control as Control).Name, out retval))
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return retval;
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return 1;
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}
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[DefaultValue (-1)]
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public int GetRow (Object control)
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{
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if (control == null)
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throw new ArgumentNullException ();
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int retval;
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if (rows.TryGetValue (control, out retval))
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return retval;
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if ((control is Control) && rows.TryGetValue ((control as Control).Name, out retval))
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return retval;
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return -1;
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}
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public int GetRowSpan (Object control)
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{
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if (control == null)
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throw new ArgumentNullException ();
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int retval;
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if (row_spans.TryGetValue (control, out retval))
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return retval;
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if ((control is Control) && row_spans.TryGetValue ((control as Control).Name, out retval))
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return retval;
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return 1;
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}
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[DefaultValue (-1)]
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public void SetCellPosition (Object control, TableLayoutPanelCellPosition cellPosition)
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{
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if (control == null)
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throw new ArgumentNullException ();
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columns[control] = cellPosition.Column;
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rows[control] = cellPosition.Row;
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if (panel != null)
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panel.PerformLayout ();
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}
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public void SetColumn (Object control, int column)
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{
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if (control == null)
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throw new ArgumentNullException ();
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if (column < -1)
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throw new ArgumentException ();
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columns[control] = column;
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if (panel != null)
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panel.PerformLayout ();
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}
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public void SetColumnSpan (Object control, int value)
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{
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if (control == null)
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throw new ArgumentNullException ();
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if (value < -1)
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throw new ArgumentException ();
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column_spans[control] = value;
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if (panel != null)
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panel.PerformLayout ();
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}
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public void SetRow (Object control, int row)
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{
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if (control == null)
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throw new ArgumentNullException ();
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if (row < -1)
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throw new ArgumentException ();
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rows[control] = row;
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if (panel != null)
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panel.PerformLayout ();
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}
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public void SetRowSpan (Object control, int value)
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{
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if (control == null)
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throw new ArgumentNullException ();
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if (value < -1)
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throw new ArgumentException ();
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row_spans[control] = value;
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if (panel != null)
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panel.PerformLayout ();
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}
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#endregion
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#region Internal Methods
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internal List<ControlInfo> GetControls ()
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{
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List<ControlInfo> list = new List<ControlInfo>();
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foreach (KeyValuePair <object, int> control in columns) {
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ControlInfo info = new ControlInfo();
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info.Control = control.Key;
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info.Col = GetColumn(control.Key);
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info.ColSpan = GetColumnSpan (control.Key);
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info.Row = GetRow (control.Key);
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info.RowSpan = GetRowSpan (control.Key);
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list.Add (info);
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}
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return list;
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}
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#endregion
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#region ISerializable Members
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void ISerializable.GetObjectData (SerializationInfo si, StreamingContext context)
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{
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TableLayoutSettingsTypeConverter conv = new TableLayoutSettingsTypeConverter ();
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string text = conv.ConvertToInvariantString (this);
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si.AddValue ("SerializedString", text);
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}
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#endregion
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internal class StyleConverter : TypeConverter
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{
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public override object ConvertFrom (ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
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{
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if ((value == null) || !(value is String))
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return base.ConvertFrom (context, culture, value);
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return Enum.Parse (typeof (StyleConverter), (string)value, true);
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}
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public override object ConvertTo (ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
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{
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if ((value == null) || !(value is StyleConverter) || (destinationType != typeof (string)))
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return base.ConvertTo (context, culture, value, destinationType);
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return ((StyleConverter)value).ToString ();
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}
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}
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}
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internal struct ControlInfo
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{
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public object Control;
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public int Row;
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public int RowSpan;
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public int Col;
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public int ColSpan;
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}
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}
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