368 lines
12 KiB
C#
368 lines
12 KiB
C#
/*
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SSATool - A collection of utilities for Advanced Substation Alpha
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Copyright (C) 2007 Dan Donovan
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; ONLY under version 2
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Windows.Forms;
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//using System.ComponentModel.Design;
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//using System.Windows.Forms.Design;
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//using System.Drawing.Design;
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namespace SSATool {
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/// <summary>
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/// Summary description for ListViewES.
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/// </summary>
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public class ListViewES : System.Windows.Forms.ListView {
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private System.Windows.Forms.TextBox textBox1;
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private ComboBox comboBox1;
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private System.ComponentModel.Container components = null;
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#region Component Designer generated code
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/// <summary>
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/// Required method for Designer support - do not modify
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/// the contents of this method with the code editor.
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/// </summary>
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private void InitializeComponent() {
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this.textBox1 = new System.Windows.Forms.TextBox();
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this.comboBox1 = new System.Windows.Forms.ComboBox();
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this.SuspendLayout();
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//
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// textBox1
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//
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this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.None;
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this.textBox1.Enabled = false;
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this.textBox1.Location = new System.Drawing.Point(17, 17);
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this.textBox1.Margin = new System.Windows.Forms.Padding(3, 1, 3, 1);
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this.textBox1.Name = "textBox1";
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this.textBox1.Size = new System.Drawing.Size(20, 13);
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this.textBox1.TabIndex = 1;
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this.textBox1.Visible = false;
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this.textBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);
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//
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// comboBox1
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//
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this.comboBox1.Cursor = System.Windows.Forms.Cursors.Default;
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this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
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this.comboBox1.Enabled = false;
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this.comboBox1.ImeMode = System.Windows.Forms.ImeMode.Disable;
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this.comboBox1.IntegralHeight = false;
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this.comboBox1.Location = new System.Drawing.Point(32, 32);
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this.comboBox1.Margin = new System.Windows.Forms.Padding(1);
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this.comboBox1.Name = "comboBox1";
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this.comboBox1.Size = new System.Drawing.Size(121, 21);
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this.comboBox1.TabIndex = 0;
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this.comboBox1.Visible = false;
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this.comboBox1.Leave += new System.EventHandler(this.ListViewES_Leave);
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this.comboBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);
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//
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// ListViewES
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//
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this.Controls.Add(this.textBox1);
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this.Controls.Add(this.comboBox1);
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this.LabelEdit = true;
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this.Size = new System.Drawing.Size(992, 616);
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this.View = System.Windows.Forms.View.Details;
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this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.ListViewES_MouseUp);
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this.Leave += new System.EventHandler(this.ListViewES_Leave);
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this.ResumeLayout(false);
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this.PerformLayout();
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}
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#endregion
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public event LabelSubEditEventHandler SubItemClicked;
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public event LabelSubEditEventHandler SubItemBeginEditing;
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public event LabelSubEditEndEventHandler SubItemEndEditing;
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public event ScrollEventHandler OnScroll;
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public ListViewES() {
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InitializeComponent();
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//this.SetStyle(ControlStyles.DoubleBuffer | ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint, true);
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this.DoubleBuffered = true;
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}
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protected override void Dispose(bool disposing) {
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if (disposing) {
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if (components != null) {
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components.Dispose();
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}
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}
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base.Dispose(disposing);
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}
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public new void SetStyle(System.Windows.Forms.ControlStyles flag, bool value) {
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base.SetStyle(flag, value);
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}
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private ListViewItem item;
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private int subItemIndex;
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private Control c;
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public int ItemsOnScreen {
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get {
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Rectangle tib = this.TopItem.Bounds;
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int offH = this.Height - tib.Top;
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int height = tib.Height;
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int num = Convert.ToInt32(Math.Floor((float)offH / height),Util.nfi);
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return num;
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}
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}
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public void StartEditing(ListViewItem item, int subitem) {
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if (c != null) EndEditing(true);
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this.item = item;
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this.subItemIndex = subitem;
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c = (Control) this.textBox1;
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StartEditingHelper();
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}
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public void StartEditing(ListViewItem item, int subitem, string[] ComboChoices) {
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if (c != null) EndEditing(true);
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this.item = item;
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this.subItemIndex = subitem;
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c = (Control)this.comboBox1;
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comboBox1.Items.Clear();
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comboBox1.Items.AddRange(ComboChoices);
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StartEditingHelper();
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}
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private void StartEditingHelper() {
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this.SuspendLayout();
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c.Enabled = true;
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PositionControl();
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c.Text = item.SubItems[subItemIndex].Text;
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c.Show();
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c.Focus();
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this.ResumeLayout(true);
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}
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private void PositionControl() {
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if (c != null) {
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c.Bounds = this.GetSubItemBounds(item, subItemIndex);
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//if (GridLines == true) c.Height -= 1;
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if (this.CheckBoxes==true && subItemIndex==0) {
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c.Left += 20;
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c.Width -= 22;
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}
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else {
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c.Left += 4;
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c.Width -= 6;
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}
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}
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}
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private void EndEditing(bool saveValue) {
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if ((item != null) && (subItemIndex != -1)) {
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this.SuspendLayout();
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if (saveValue) item.SubItems[subItemIndex].Text = c.Text;
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if (SubItemEndEditing != null)
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this.SubItemEndEditing(this,
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new LabelSubEditEndEventArgs(item, subItemIndex,
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item.SubItems[subItemIndex].Text, !saveValue));
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this.item = null;
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this.subItemIndex = -1;
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c.Text = String.Empty;
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c.Hide();
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c.Enabled = false;
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this.ResumeLayout(true);
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saveValue = true;
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c = null;
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}
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}
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private void textBox1_KeyPress(object sender, KeyPressEventArgs e) {
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if (e.KeyChar == (char)(int)Keys.Enter) {
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EndEditing(true);
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e.Handled = true;
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}
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else if (e.KeyChar == (char)(int)Keys.Escape) {
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EndEditing(false);
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e.Handled = true;
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}
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}
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private void ListViewES_MouseUp(object sender, MouseEventArgs e) {
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if (c != null) EndEditing(true);
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if (this.View==System.Windows.Forms.View.Details) {
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int index;
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ListViewItem lvi;
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index = this.GetSubItemAt(e.X,e.Y,out lvi);
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if ((index != -1) && ((this.CheckBoxes == false) || (e.X > 15))) {
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LabelSubEditEventArgs lsa = new LabelSubEditEventArgs(lvi, index);
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if (SubItemBeginEditing != null) this.SubItemBeginEditing(this, lsa);
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if (SubItemClicked != null) this.SubItemClicked(this, lsa);
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else if (this.LabelEdit == true) this.StartEditing(lvi, index);
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}
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}
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}
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public int GetSubItemAt(int x, int y, out ListViewItem item) {
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if (this.Items.Count != 0) {
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Rectangle tib = this.TopItem.Bounds;
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int left = tib.Left;
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if (left < 0) {
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item = null;
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return -1;
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}
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int offH = this.Height - tib.Top;
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int top = this.TopItem.Index;
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int height = tib.Height;
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int bottom = top + Convert.ToInt32(Math.Floor((float)offH / (float)height),Util.nfi);
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int row = top - 1 + Convert.ToInt32((((float)bottom - top) * ((float)y / offH)),Util.nfi);
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if ((row < this.Items.Count) && (row >= 0)) {
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for(int column=0;column<this.Columns.Count;column+=1) {
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left += this.Columns[column].Width;
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if (x <= left) { item = this.Items[row]; return column;}
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}
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}
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}
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item = null;
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return -1;
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}
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public Rectangle GetSubItemBounds(ListViewItem Item, int SubItem) {
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if (SubItem >= this.Columns.Count)
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throw new IndexOutOfRangeException("SubItem " + SubItem + " out of range");
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else if (Item == null)
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return Rectangle.Empty; // throw new ArgumentNullException("Item");
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int top, left, width, height;
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//Item.EnsureVisible();
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Rectangle bounds = Item.GetBounds(ItemBoundsPortion.Entire);
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top = bounds.Top;
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width = this.Columns[SubItem].Width;
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height = bounds.Height;
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left = bounds.Left;
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for(int index=0;index<SubItem;index+=1)
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left += this.Columns[index].Width;
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return new Rectangle(new Point(left,top),new Size(width,height));
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}
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/// <summary>
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/// Used to recreate the list items when columns are modified
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/// </summary>
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public void RecopyListItems() {
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this.BeginUpdate();
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string[] news;
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ListViewItem lvi;
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for(int outerindex=0; outerindex!=this.Items.Count; outerindex+=1) {
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lvi = this.Items[outerindex];
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news = new string[this.Columns.Count];
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// Can't copy more parameters than in the old one,
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// and can't copy more than the new one can store
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for(int index=0;index!=lvi.SubItems.Count&&index!=news.Length;index+=1) {
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news[index] = lvi.SubItems[index].Text;
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}
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this.Items[outerindex] = new ListViewItem(news);
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}
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this.EndUpdate();
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}
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private void ListViewES_Leave(object sender, EventArgs e) {
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EndEditing(true);
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}
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//[Category("Action")]
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//public event ScrollEventHandler Scrolled = null;
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[Serializable]
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public delegate void LabelSubEditEventHandler(
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object sender,
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LabelSubEditEventArgs e
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);
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[Serializable]
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public delegate void LabelSubEditEndEventHandler(
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object sender,
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LabelSubEditEndEventArgs e
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);
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public class LabelSubEditEventArgs : EventArgs {
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private int _subIndex;
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private ListViewItem _item;
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public LabelSubEditEventArgs(ListViewItem lvi, int subItem) {
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_subIndex = subItem;
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_item = lvi;
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}
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public ListViewItem Item {
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get { return _item; }
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}
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public int SubIndex {
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get { return _subIndex; }
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}
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}
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public class LabelSubEditEndEventArgs : LabelSubEditEventArgs {
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string _text;
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bool _cancel;
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public LabelSubEditEndEventArgs(ListViewItem lvi, int subItem, string text, bool cancel) :
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base(lvi,subItem) {
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_text = text;
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_cancel = cancel;
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}
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public bool Cancel {
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get { return _cancel; }
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}
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public string Text {
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get { return _text; }
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}
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}
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private const int WM_HSCROLL = 0x114;
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private const int WM_VSCROLL = 0x115;
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protected override void WndProc(ref System.Windows.Forms.Message msg) {
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if ((msg.Msg == WM_HSCROLL) || (msg.Msg == WM_VSCROLL)) {
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if (c!=null) PositionControl();
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if (OnScroll != null) OnScroll(this,new ScrollEventArgs(ScrollEventType.EndScroll,0,0,(msg.Msg == WM_HSCROLL)?ScrollOrientation.HorizontalScroll:ScrollOrientation.VerticalScroll));
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base.WndProc(ref msg);
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}
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else base.WndProc(ref msg);
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}
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}
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}
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