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Add GuiField type taking only numbers

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johni0702
2015-12-04 09:23:06 +01:00
parent 0c9e705a15
commit b302114c6f
3 changed files with 211 additions and 0 deletions
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129
src/main/java/de/johni0702/minecraft/gui/element/AbstractGuiNumberField.java Normal file
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/*
* Copyright (c) 2015 johni0702
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.johni0702.minecraft.gui.element;
import com.google.common.base.Preconditions;
import de.johni0702.minecraft.gui.container.GuiContainer;
import java.util.regex.Pattern;
// TODO: This is suboptimal e.g. if there are trailing zeros, they stay (should be fixed after TextField is done w/o MC)
public abstract class AbstractGuiNumberField<T extends AbstractGuiNumberField<T>>
extends AbstractGuiTextField<T> implements IGuiNumberField<T> {
private int precision;
private volatile Pattern precisionPattern;
public AbstractGuiNumberField() {
}
public AbstractGuiNumberField(GuiContainer container) {
super(container);
}
{
setValue(0);
}
@Override
public T setText(String text) {
if (!isTextValid(text)) {
throw new IllegalArgumentException(text + " is not a valid number!");
}
return super.setText(text);
}
@SuppressWarnings("ResultOfMethodCallIgnored")
private boolean isTextValid(String text) {
try {
if (precision == 0) {
Integer.parseInt(text);
return true;
} else {
Double.parseDouble(text);
return precisionPattern.matcher(text).matches();
}
} catch (NumberFormatException e) {
return false;
}
}
@Override
protected void onTextChanged(String from) {
if (isTextValid(getText())) {
super.onTextChanged(from);
} else {
setText(from);
}
}
@Override
public byte getByte() {
return Byte.parseByte(getText());
}
@Override
public short getShort() {
return Short.parseShort(getText());
}
@Override
public int getInteger() {
return Integer.parseInt(getText());
}
@Override
public long getLong() {
return Long.parseLong(getText());
}
@Override
public float getFloat() {
return Float.parseFloat(getText());
}
@Override
public double getDouble() {
return Double.parseDouble(getText());
}
@Override
public T setValue(int value) {
setText(Integer.toString(value));
return getThis();
}
@Override
public T setValue(double value) {
setText(String.format("%." + precision + "f", value));
return getThis();
}
@Override
public T setPrecision(int precision) {
Preconditions.checkArgument(precision >= 0, "precision must not be negative");
precisionPattern = Pattern.compile(String.format("-?[0-9]*+((\\.[0-9]{0,%d})?)||(\\.)?", precision));
this.precision = precision;
return getThis();
}
}

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src/main/java/de/johni0702/minecraft/gui/element/GuiNumberField.java Normal file
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/*
* Copyright (c) 2015 johni0702
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.johni0702.minecraft.gui.element;
import de.johni0702.minecraft.gui.container.GuiContainer;
public class GuiNumberField extends AbstractGuiNumberField<GuiNumberField> {
public GuiNumberField() {
}
public GuiNumberField(GuiContainer container) {
super(container);
}
@Override
protected GuiNumberField getThis() {
return this;
}
}

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src/main/java/de/johni0702/minecraft/gui/element/IGuiNumberField.java Normal file
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/*
* Copyright (c) 2015 johni0702
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.johni0702.minecraft.gui.element;
public interface IGuiNumberField<T extends IGuiNumberField<T>> extends IGuiTextField<T> {
byte getByte();
short getShort();
int getInteger();
long getLong();
float getFloat();
double getDouble();
T setValue(int value);
T setValue(double value);
/**
* Sets the amount of digits allowed after the decimal point.
* A value of {@code 0} is equal to integer precision.
* Negative values are not allowed.
* @param precision Number of digits allowed
*/
T setPrecision(int precision);
}