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When editing local variables, the data grid generally has the input focus, so hitting Enter doesn't close the dialog. Rather than play games with the focus, just take Ctrl+Enter as a shortcut to close the dialog (same as notes and long comments). (I found myself hitting Ctrl+Enter automatically, and being annoyed when it didn't work, so I figured I'd make it official.)
389 lines
15 KiB
C#
389 lines
15 KiB
C#
/*
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* Copyright 2019 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Runtime.CompilerServices;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Input;
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using Asm65;
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using CommonWPF;
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namespace SourceGen.WpfGui {
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/// <summary>
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/// Edit a LocalVariableTable.
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/// </summary>
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public partial class EditLocalVariableTable : Window, INotifyPropertyChanged {
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/// <summary>
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/// Output. Will be null if the table was deleted, or if cancel was hit while
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/// creating a new table.
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/// </summary>
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public LocalVariableTable NewTable { get; private set; }
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/// <summary>
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/// Output. If the table was moved, the new offset will be different from the old.
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/// </summary>
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public int NewOffset { get; private set; }
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// Item for the symbol list view ItemsSource.
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public class FormattedSymbol {
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public string Label { get; private set; }
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public string Value { get; private set; }
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public string Type { get; private set; }
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public int Width { get; private set; }
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public string Comment { get; private set; }
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public DefSymbol DefSym;
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public FormattedSymbol(DefSymbol defSym, string label, string value,
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string type, int width, string comment) {
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Label = label;
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Value = value;
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Type = type;
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Width = width;
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Comment = comment;
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DefSym = defSym;
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}
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}
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// List of items. The Label is guaranteed to be unique.
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public ObservableCollection<FormattedSymbol> Variables { get; private set; } =
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new ObservableCollection<FormattedSymbol>();
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/// <summary>
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/// Clear-previous flag.
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/// </summary>
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public bool ClearPrevious {
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get { return mWorkTable.ClearPrevious; }
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set { mWorkTable.ClearPrevious = value; OnPropertyChanged(); }
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}
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/// <summary>
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/// True if this is not a new table. (Using "not" because that's the sense we
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/// need in XAML.)
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/// </summary>
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public bool IsNotNewTable {
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get { return mIsNotNewTable; }
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set { mIsNotNewTable = value; OnPropertyChanged(); }
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}
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private bool mIsNotNewTable;
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/// <summary>
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/// Table header text string, formatted at load time.
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/// </summary>
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public string TableHeaderText {
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get { return mTableHeaderText; }
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set { mTableHeaderText = value; OnPropertyChanged(); }
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}
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private string mTableHeaderText;
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/// <summary>
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/// Working set. Used internally to hold state.
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/// </summary>
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private LocalVariableTable mWorkTable;
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/// <summary>
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/// Project reference.
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/// </summary>
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private DisasmProject mProject;
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/// <summary>
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/// Format object to use when formatting addresses and constants.
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/// </summary>
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private Formatter mFormatter;
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/// <summary>
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/// Symbol table for uniqueness check.
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/// </summary>
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private SymbolTable mSymbolTable;
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/// <summary>
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/// Table offset, for move ops.
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/// </summary>
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private int mOffset;
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// INotifyPropertyChanged implementation
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public event PropertyChangedEventHandler PropertyChanged;
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private void OnPropertyChanged([CallerMemberName] string propertyName = "") {
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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/// <summary>
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/// Constructor. lvt will be null when creating a new entry.
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/// </summary>
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public EditLocalVariableTable(Window owner, DisasmProject project, Formatter formatter,
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LocalVariableTable lvt, int offset) {
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InitializeComponent();
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Owner = owner;
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DataContext = this;
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mProject = project;
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mFormatter = formatter;
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mSymbolTable = project.SymbolTable;
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mOffset = NewOffset = offset;
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if (lvt != null) {
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mWorkTable = new LocalVariableTable(lvt);
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mIsNotNewTable = true;
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} else {
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mWorkTable = new LocalVariableTable();
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}
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for (int i = 0; i < mWorkTable.Count; i++) {
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DefSymbol defSym = mWorkTable[i];
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Variables.Add(CreateFormattedSymbol(defSym));
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}
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}
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public void Window_Loaded(object sender, RoutedEventArgs e) {
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string fmt = (string)FindResource("str_TableHeaderFmt");
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TableHeaderText = string.Format(fmt, mFormatter.FormatOffset24(mOffset));
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UpdateControls();
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}
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/// <summary>
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/// Loads entries from the work table into the items source.
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/// </summary>
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private FormattedSymbol CreateFormattedSymbol(DefSymbol defSym) {
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string typeStr;
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if (defSym.IsConstant) {
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typeStr = Res.Strings.ABBREV_STACK_RELATIVE;
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} else {
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typeStr = Res.Strings.ABBREV_ADDRESS;
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}
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FormattedSymbol fsym = new FormattedSymbol(
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defSym,
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defSym.GenerateDisplayLabel(mFormatter),
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mFormatter.FormatValueInBase(defSym.Value, defSym.DataDescriptor.NumBase),
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typeStr,
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defSym.DataDescriptor.Length,
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defSym.Comment);
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return fsym;
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}
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/// <summary>
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/// Handles a Sorting event. We need to sort by numeric value on the Value field, but
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/// we want to use custom-formatted numeric values in multiple bases.
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/// </summary>
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private void SymbolsList_Sorting(object sender, DataGridSortingEventArgs e) {
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DataGridColumn col = e.Column;
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// Set the SortDirection to a specific value. If we don't do this, SortDirection
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// remains un-set, and the column header doesn't show up/down arrows or change
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// direction when clicked twice.
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ListSortDirection direction = (col.SortDirection != ListSortDirection.Ascending) ?
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ListSortDirection.Ascending : ListSortDirection.Descending;
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col.SortDirection = direction;
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bool isAscending = direction != ListSortDirection.Descending;
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IComparer comparer = new SymbolsListComparer(col.DisplayIndex, isAscending);
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ListCollectionView lcv =
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(ListCollectionView)CollectionViewSource.GetDefaultView(symbolsList.ItemsSource);
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lcv.CustomSort = comparer;
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e.Handled = true;
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}
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private class SymbolsListComparer : IComparer {
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// Must match order of items in DataGrid. DataGrid must not allow columns to be
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// reordered. We could check col.Header instead, but then we have to assume that
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// the Header is a string that doesn't get renamed.
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private enum SortField {
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Label = 0, Value = 1, Type = 2, Width = 3, Comment = 4
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}
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private SortField mSortField;
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private bool mIsAscending;
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public SymbolsListComparer(int displayIndex, bool isAscending) {
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Debug.Assert(displayIndex >= 0 && displayIndex <= 4);
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mIsAscending = isAscending;
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mSortField = (SortField)displayIndex;
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}
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// IComparer interface
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public int Compare(object o1, object o2) {
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FormattedSymbol fsym1 = (FormattedSymbol)o1;
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FormattedSymbol fsym2 = (FormattedSymbol)o2;
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// Sort primarily by specified field, secondarily by label (which should
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// be unique).
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int cmp;
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switch (mSortField) {
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case SortField.Label:
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cmp = string.Compare(fsym1.Label, fsym2.Label);
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break;
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case SortField.Value:
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cmp = fsym1.DefSym.Value - fsym2.DefSym.Value;
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break;
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case SortField.Type:
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cmp = string.Compare(fsym1.Type, fsym2.Type);
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break;
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case SortField.Width:
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cmp = fsym1.Width - fsym2.Width;
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break;
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case SortField.Comment:
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cmp = string.Compare(fsym1.Comment, fsym2.Comment);
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break;
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default:
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Debug.Assert(false);
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return 0;
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}
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if (cmp == 0) {
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cmp = string.Compare(fsym1.Label, fsym2.Label);
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}
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if (!mIsAscending) {
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cmp = -cmp;
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}
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return cmp;
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}
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}
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private void UpdateControls() {
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// Enable or disable the edit/remove buttons based on how many items are selected.
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// (We're currently configured for single-select, so this is really just a != 0 test.)
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int symSelCount = symbolsList.SelectedItems.Count;
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removeSymbolButton.IsEnabled = (symSelCount == 1);
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editSymbolButton.IsEnabled = (symSelCount == 1);
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}
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private void OkButton_Click(object sender, RoutedEventArgs e) {
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NewTable = mWorkTable;
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DialogResult = true;
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}
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private void Window_KeyEventHandler(object sender, KeyEventArgs e) {
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if (e.Key == Key.Return && Keyboard.Modifiers.HasFlag(ModifierKeys.Control)) {
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OkButton_Click(null, null);
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}
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}
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private void DeleteTableButton_Click(object sender, RoutedEventArgs e) {
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MessageBoxResult result = MessageBox.Show((string)FindResource("str_ConfirmDelete"),
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(string)FindResource("str_ConfirmDeleteCaption"),
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MessageBoxButton.YesNo, MessageBoxImage.Question);
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if (result == MessageBoxResult.Yes) {
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NewTable = null;
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DialogResult = true;
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}
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}
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private void MoveTableButton_Click(object sender, RoutedEventArgs e) {
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EditLvTableLocation dlg = new EditLvTableLocation(this, mProject, mOffset, NewOffset);
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if (dlg.ShowDialog() == true) {
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NewOffset = dlg.NewOffset;
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}
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}
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private void SymbolsList_SelectionChanged(object sender, SelectionChangedEventArgs e) {
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UpdateControls();
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}
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private void SymbolsList_MouseDoubleClick(object sender, MouseButtonEventArgs e) {
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if (!symbolsList.GetClickRowColItem(e, out int unusedRow, out int unusedCol,
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out object objItem)) {
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// Header or empty area; ignore.
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return;
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}
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FormattedSymbol item = (FormattedSymbol)objItem;
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DoEditSymbol(item.DefSym);
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}
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private void NewSymbolButton_Click(object sender, RoutedEventArgs e) {
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EditDefSymbol dlg = new EditDefSymbol(this, mFormatter, mWorkTable.GetSortedByLabel(),
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null, mSymbolTable, true, false);
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dlg.ShowDialog();
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if (dlg.DialogResult == true) {
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Debug.WriteLine("ADD: " + dlg.NewSym);
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mWorkTable.AddOrReplace(dlg.NewSym);
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// Add it to the display list, select it, and scroll it into view.
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FormattedSymbol newItem = CreateFormattedSymbol(dlg.NewSym);
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Variables.Add(newItem);
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symbolsList.SelectedItem = newItem;
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symbolsList.ScrollIntoView(newItem);
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UpdateControls();
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}
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}
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private void EditSymbolButton_Click(object sender, EventArgs e) {
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// Single-select list view, button dimmed when no selection.
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Debug.Assert(symbolsList.SelectedItems.Count == 1);
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FormattedSymbol item = (FormattedSymbol)symbolsList.SelectedItems[0];
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DoEditSymbol(item.DefSym);
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}
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private void DoEditSymbol(DefSymbol defSym) {
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EditDefSymbol dlg = new EditDefSymbol(this, mFormatter, mWorkTable.GetSortedByLabel(),
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defSym, mSymbolTable, true, false);
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dlg.ShowDialog();
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if (dlg.DialogResult == true) {
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// Label might have changed, so remove old before adding new.
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mWorkTable.RemoveByLabel(defSym.Label);
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mWorkTable.AddOrReplace(dlg.NewSym);
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// Replace entry in items source.
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for (int i = 0; i < Variables.Count; i++) {
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if (Variables[i].DefSym == defSym) {
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Variables[i] = CreateFormattedSymbol(dlg.NewSym);
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break;
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}
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}
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UpdateControls();
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}
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}
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private void RemoveSymbolButton_Click(object sender, RoutedEventArgs e) {
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// Single-select list view, button dimmed when no selection.
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Debug.Assert(symbolsList.SelectedItems.Count == 1);
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int selectionIndex = symbolsList.SelectedIndex;
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FormattedSymbol item = (FormattedSymbol)symbolsList.SelectedItems[0];
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DefSymbol defSym = item.DefSym;
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mWorkTable.RemoveByLabel(defSym.Label);
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for (int i = 0; i < Variables.Count; i++) {
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if (Variables[i].DefSym == defSym) {
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Variables.RemoveAt(i);
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break;
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}
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}
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UpdateControls();
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// Restore selection to the item that used to come after the one we just deleted,
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// so you can hit "Remove" repeatedly to delete multiple items.
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int newCount = symbolsList.Items.Count;
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if (selectionIndex >= newCount) {
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selectionIndex = newCount - 1;
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}
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if (selectionIndex >= 0) {
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symbolsList.SelectedIndex = selectionIndex;
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removeSymbolButton.Focus(); // so you can keep banging on Enter
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}
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}
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}
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}
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