77 lines
2.4 KiB
C#
77 lines
2.4 KiB
C#
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// Copyright 2017 Google Inc. All rights reserved.
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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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using UnityEngine;
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using UnityEngine.UI;
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using UnityEditor;
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[CustomPropertyDrawer(typeof(GvrPointerScrollInput), true)]
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public class GvrPointerScrollInputEditor : PropertyDrawer {
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private bool isExpanded = true;
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label) {
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EditorGUI.BeginProperty(position, label, property);
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int rows = GetNumRows(property);
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float totalHeight = position.height;
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float rowHeight = totalHeight / rows;
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position.height = rowHeight;
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isExpanded = EditorGUI.Foldout(position, isExpanded, label);
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if (isExpanded) {
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EditorGUI.indentLevel++;
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// Inertia property.
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SerializedProperty inertia =
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property.FindPropertyRelative(GvrPointerScrollInput.PROPERTY_NAME_INERTIA);
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position.y += rowHeight;
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EditorGUI.PropertyField(position, inertia);
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if (inertia.boolValue) {
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EditorGUI.indentLevel++;
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// Deceleration rate property.
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SerializedProperty decelerationRate =
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property.FindPropertyRelative(GvrPointerScrollInput.PROPERTY_NAME_DECELERATION_RATE);
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position.y += rowHeight;
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EditorGUI.PropertyField(position, decelerationRate);
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EditorGUI.indentLevel--;
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}
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EditorGUI.indentLevel--;
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}
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EditorGUI.EndProperty();
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}
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public override float GetPropertyHeight(SerializedProperty property, GUIContent label) {
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return base.GetPropertyHeight(property, label) * GetNumRows(property);
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}
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private int GetNumRows(SerializedProperty property) {
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SerializedProperty inertia =
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property.FindPropertyRelative(GvrPointerScrollInput.PROPERTY_NAME_INERTIA);
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if (!isExpanded) {
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return 1;
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} else if (!inertia.boolValue) {
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return 2;
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} else {
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return 3;
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}
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}
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}
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