using UnityEditor;
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using UnityEngine;
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using System;
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using qtools.qhierarchy.pdata;
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using System.Text;
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namespace qtools.qhierarchy.phelper
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{
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public class QComponentsOrderList
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{
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// PRIVATE
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private EditorWindow window;
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private Texture2D dragButton;
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private bool dragAndDrop = false;
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private float dragOffset;
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private int originalDragIndex;
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private Color backgroundColor;
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// CONSTRUCTOR
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public QComponentsOrderList (EditorWindow window)
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{
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this.window = window;
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dragButton = QResources.getInstance().getTexture(QTexture.QDragButton);
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backgroundColor = QResources.getInstance().getColor(QColor.BackgroundDark);
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}
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// PUBLIC
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public void draw(Rect rect, string[] componentIds)
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{
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Event currentEvent = Event.current;
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int currentMouseIndex = Mathf.Clamp(Mathf.RoundToInt((currentEvent.mousePosition.y - dragOffset - rect.y) / 18), 0, componentIds.Length - 1);
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if (dragAndDrop && currentEvent.type == EventType.MouseUp)
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{
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dragAndDrop = false;
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window.Repaint();
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if (currentMouseIndex != originalDragIndex)
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{
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string newIconOrder = "";
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for (int j = 0; j < componentIds.Length; j++)
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{
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if (j == currentMouseIndex)
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{
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if (j > originalDragIndex)
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{
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newIconOrder += componentIds[j] + ";";
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newIconOrder += componentIds[originalDragIndex] + ";";
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}
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else
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{
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newIconOrder += componentIds[originalDragIndex] + ";";
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newIconOrder += componentIds[j] + ";";
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}
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}
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else if (j != originalDragIndex)
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{
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newIconOrder += componentIds[j] + ";";
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}
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}
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newIconOrder = newIconOrder.TrimEnd(';');
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QSettings.getInstance().set(QSetting.ComponentsOrder, newIconOrder);
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componentIds = newIconOrder.Split(';');
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}
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}
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else if (dragAndDrop && currentEvent.type == EventType.MouseDrag)
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{
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window.Repaint();
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}
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for (int i = 0; i < componentIds.Length; i++)
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{
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QHierarchyComponentEnum type = (QHierarchyComponentEnum)int.Parse(componentIds[i]);
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Rect curRect = new Rect(rect.x, rect.y + 18 * i, rect.width, 16);
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if (!dragAndDrop && currentEvent.type == EventType.MouseDown && curRect.Contains(currentEvent.mousePosition))
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{
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dragAndDrop = true;
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originalDragIndex = i;
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dragOffset = currentEvent.mousePosition.y - curRect.y;
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Event.current.Use();
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}
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if (dragAndDrop)
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{
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if (originalDragIndex != i)
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{
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if (i < originalDragIndex && currentMouseIndex <= i) curRect.y += 18;
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else if (i > originalDragIndex && currentMouseIndex >= i) curRect.y -= 18;
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drawComponentLabel(curRect, type);
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}
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}
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else
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{
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drawComponentLabel(curRect, type);
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}
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}
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if (dragAndDrop)
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{
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float curY = currentEvent.mousePosition.y - dragOffset;
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curY = Mathf.Clamp(curY, rect.y, rect.y + rect.height - 16);
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drawComponentLabel(new Rect(rect.x, curY, rect.width, rect.height), (QHierarchyComponentEnum)int.Parse(componentIds[originalDragIndex]), true);
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}
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}
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// PRIVATE
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private void drawComponentLabel(Rect rect, QHierarchyComponentEnum type, bool withBackground = false)
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{
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if (withBackground)
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{
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EditorGUI.DrawRect(new Rect(rect.x, rect.y - 2, rect.width, 20), backgroundColor);
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}
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GUI.DrawTexture(new Rect(rect.x, rect.y - 2, 20, 20), dragButton);
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Rect labelRect = new Rect(rect.x + 31, rect.y, rect.width - 20, 16);
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labelRect.y -= (EditorGUIUtility.singleLineHeight - labelRect.height) * 0.5f;
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EditorGUI.LabelField(labelRect, getTextWithSpaces(type.ToString()));
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}
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private string getTextWithSpaces(string text)
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{
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StringBuilder newText = new StringBuilder(text.Length * 2);
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newText.Append(text[0]);
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for (int i = 1; i < text.Length; i++)
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{
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if (char.IsUpper(text[i]) && text[i - 1] != ' ')
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newText.Append(' ');
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newText.Append(text[i]);
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}
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newText.Replace(" Component", "");
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return newText.ToString();
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}
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}
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}
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