add treetable config classes

src/main/java/com/sparrowwallet/sparrow/control/TreeTableColumnConfig.java

@@ -0,0 +1,46 @@
+package com.sparrowwallet.sparrow.control;
+
+import javafx.scene.control.TreeTableColumn;
+
+public class TreeTableColumnConfig {
+    private final int index;
+    private final Integer width;
+    private final TreeTableColumn.SortType sortType;
+
+    public TreeTableColumnConfig(int index, Integer width, TreeTableColumn.SortType sortType) {
+        this.index = index;
+        this.width = width;
+        this.sortType = sortType;
+    }
+
+    public TreeTableColumnConfig(int index, String width, String sortType) {
+        this.index = index;
+        this.width = width.isEmpty() ? null : Integer.valueOf(width, 10);
+        this.sortType = sortType.isEmpty() ? null : TreeTableColumn.SortType.valueOf(sortType);
+    }
+
+    public int getIndex() {
+        return index;
+    }
+
+    public Integer getWidth() {
+        return width;
+    }
+
+    public TreeTableColumn.SortType getSortType() {
+        return sortType;
+    }
+
+    public String toString() {
+        return index + "-" + (width == null ? "" : width) + "-" + (sortType == null ? "" : sortType);
+    }
+
+    public static TreeTableColumnConfig fromString(String columnConfig) {
+        String[] parts = columnConfig.split("-", 3);
+        if(parts.length == 3) {
+            return new TreeTableColumnConfig(Integer.parseInt(parts[0]), parts[1], parts[2]);
+        }
+
+        return new TreeTableColumnConfig(Integer.parseInt(parts[0]), (Integer)null, null);
+    }
+}

src/main/java/com/sparrowwallet/sparrow/control/TreeTableConfig.java

@@ -0,0 +1,42 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.sparrow.wallet.Entry;
+import javafx.scene.control.TreeTableColumn;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringJoiner;
+
+public class TreeTableConfig {
+    private final List<TreeTableColumnConfig> columnConfigs;
+
+    public TreeTableConfig(CoinTreeTable treeTable) {
+        columnConfigs = new ArrayList<>();
+        TreeTableColumn<Entry, ?> sortColumn = treeTable.getSortOrder().isEmpty() ? null : treeTable.getSortOrder().get(0);
+        for(int i = 0; i < treeTable.getColumns().size(); i++) {
+            TreeTableColumn<Entry, ?> column = treeTable.getColumns().get(i);
+            //TODO: Support column widths
+            columnConfigs.add(new TreeTableColumnConfig(i, null, sortColumn == column ? column.getSortType() : null));
+        }
+    }
+
+    public TreeTableConfig(List<TreeTableColumnConfig> columnConfigs) {
+        this.columnConfigs = columnConfigs;
+    }
+
+    public String toString() {
+        StringJoiner joiner = new StringJoiner("|");
+        columnConfigs.stream().forEach(col -> joiner.add(col.toString()));
+        return joiner.toString();
+    }
+
+    public static TreeTableConfig fromString(String tableConfig) {
+        List<TreeTableColumnConfig> columnConfigs = new ArrayList<>();
+        String[] parts = tableConfig.split("\\|");
+        for(String part : parts) {
+            columnConfigs.add(TreeTableColumnConfig.fromString(part));
+        }
+
+        return new TreeTableConfig(columnConfigs);
+    }
+}