113 lines
3.1 KiB
C#
113 lines
3.1 KiB
C#
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using UnityEngine;
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using System.Collections;
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namespace UnityEngine.UI
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{
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public class InputFieldLimit : MonoBehaviour
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{
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public int lengthLimit = 10;
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public int wordType = 0; //0字符不受限制 1数字 2字母 4下划线 8所有ascii字符 16汉字 32字符显示*
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public void SetValue(string value)
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{
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if (m_input == null)
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{
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m_input = GetComponent<InputField>();
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}
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if (m_input == null)
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return;
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string newRealValue = "";
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string text = "";
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for(int i=0;i<value.Length && i< lengthLimit; i++)
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{
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if(InputValid(value[i])==(char)0)
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{
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m_input.text = "";
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return;
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}
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if ((wordType & 32) != 0)
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{
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newRealValue += value[i];
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//text += '*';
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}
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else
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text += value[i];
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}
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m_input.text = text;
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}
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InputField m_input;
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void Awake()
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{
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m_input = GetComponent<InputField>();
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if (m_input == null)
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return;
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m_input.onValidateInput = ValidateInput;
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if((wordType & 32) != 0)
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{
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m_input.contentType = InputField.ContentType.Password;
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}
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}
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private char InputValid(char charInput)
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{
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char returnChar = (char)0;
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int asciiType = (int)charInput;
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if (wordType == 0 || wordType == 32)
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returnChar = charInput;
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if(wordType == 0)
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{
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returnChar = charInput;
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}
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if ((wordType & 1) != 0 && asciiType >= 48 && asciiType <= 57)
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{
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returnChar = charInput;
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}
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if ((wordType & 2) != 0 && ((asciiType >= 65 && asciiType <= 90) || (asciiType >= 97 && asciiType <= 122)))
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{
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returnChar = charInput;
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}
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if ((wordType & 4) != 0 && asciiType == 95)
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{
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returnChar = charInput;
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}
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if ((wordType & 8) != 0 && asciiType <= 127)
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{
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returnChar = charInput;
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}
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if ((wordType & 16) != 0 && asciiType > 127)
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{
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returnChar = charInput;
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}
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return returnChar;
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}
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char ValidateInput(string text, int charIndex, char addedChar)
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{
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if (m_input == null)
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return (char)0;
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int len = 0;
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string newText = text + addedChar;
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for(int i=0;i<newText.Length;i++)
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{
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len += (((int)newText[i]) > 127 ? 2 : 1);
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}
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if (len > lengthLimit)
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return (char)0;
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char returnChar = InputValid(addedChar);
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if (returnChar == (char)0)
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return returnChar;
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return returnChar;
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}
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}
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}
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