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A java framework to develop web applications
/*
* Copyright 2014-2016 Web Firm Framework
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* @author WFF
*/
package com.webfirmframework.wffweb.css.css3;
import com.webfirmframework.wffweb.InvalidValueException;
import com.webfirmframework.wffweb.NullValueException;
import com.webfirmframework.wffweb.css.CssNameConstants;
import com.webfirmframework.wffweb.css.core.AbstractCssProperty;
import com.webfirmframework.wffweb.css.core.CssProperty;
import com.webfirmframework.wffweb.informer.StateChangeInformer;
import com.webfirmframework.wffweb.util.StringBuilderUtil;
/**
*
* column-rule: column-rule-width column-rule-style column-rule-color|initial|inherit;
*
* The column-rule property is a shorthand property for setting all the column-rule-* properties.
*
* The column-rule property sets the width, style, and color of the rule between columns.
* Default value: medium none color
* Inherited: no
* Animatable: yes, see individual properties
* Version: CSS3
* JavaScript syntax: object.style.columnRule="3px outset blue"
*
*
*
* @author WFF
* @since 1.0.0
*/
public class ColumnRule extends AbstractCssProperty
implements StateChangeInformer {
private static final long serialVersionUID = 1_0_0L;
public static final String INITIAL = "initial";
public static final String INHERIT = "inherit";
private String cssValue;
private ColumnRuleWidth columnRuleWidth;
private ColumnRuleStyle columnRuleStyle;
private ColumnRuleColor columnRuleColor;
/**
* The {@code initial} will be set as the value
*/
public ColumnRule() {
setCssValue("medium none white");
}
/**
* @param cssValue
* the css value to set.
*/
public ColumnRule(final String cssValue) {
setCssValue(cssValue);
}
/**
* @param columnRule
* the {@code ColumnRule} object from which the cssValue to
* set.And, {@code null} will throw {@code NullValueException}
*/
public ColumnRule(final ColumnRule columnRule) {
if (columnRule == null) {
throw new NullValueException("columnRule can not be null");
}
setCssValue(columnRule.getCssValue());
}
/**
* the color/color code to set. The alternative method {@code setCssValue}
* can also be used.
*
* @param value
* @return the current object
* @since 1.0.0
* @author WFF
*/
public ColumnRule setValue(final String value) {
setCssValue(value);
return this;
}
/*
* (non-Javadoc)
*
* @see com.webfirmframework.wffweb.css.CssProperty#getCssName()
*
* @since 1.0.0
*
* @author WFF
*/
@Override
public String getCssName() {
return CssNameConstants.COLUMN_RULE;
}
/*
* (non-Javadoc)
*
* @see com.webfirmframework.wffweb.css.CssProperty#getCssValue()
*
* @since 1.0.0
*
* @author WFF
*/
@Override
public String getCssValue() {
return cssValue;
}
@Override
public String toString() {
return getCssName() + ": " + getCssValue();
}
/**
* gets the value, {@code getCssValue} method can also be used to get the
* same value.
*
* @return the value in String.
* @since 1.0.0
* @author WFF
*/
public String getValue() {
return getCssValue();
}
/**
* @param cssValue
* the value should be for example
* medium none #0000ff. {@code null} is considered
* as an invalid value and it will throw
* {@code NullValueException}.And an empty string is also
* considered as an invalid value and it will throw
* {@code InvalidValueException}.
* @since 1.0.0
* @author WFF
*/
@Override
public ColumnRule setCssValue(final String cssValue) {
final String trimmedCssValue;
if (cssValue == null) {
throw new NullValueException(
"null is an invalid value. The value should be any color for example medium none #0000ff. Or, initial/inherit.");
} else if ((trimmedCssValue = cssValue.trim()).isEmpty()) {
throw new InvalidValueException(cssValue
+ " is an invalid value. The value should be any color for example medium none #0000ff. Or, initial/inherit.");
}
final String[] cssValueParts = trimmedCssValue.split(" ");
if (cssValueParts.length > 1) {
ColumnRuleWidth columnRuleWidth = null;
ColumnRuleStyle columnRuleStyle = null;
ColumnRuleColor columnRuleColor = null;
for (final String eachPart : cssValueParts) {
if (columnRuleWidth == null
&& ColumnRuleWidth.isValid(eachPart)) {
if (this.columnRuleWidth == null) {
columnRuleWidth = new ColumnRuleWidth(eachPart);
columnRuleWidth.setStateChangeInformer(this);
columnRuleWidth.setAlreadyInUse(true);
} else {
this.columnRuleWidth.setCssValue(eachPart);
columnRuleWidth = this.columnRuleWidth;
}
} else if (columnRuleStyle == null
&& ColumnRuleStyle.isValid(eachPart)) {
columnRuleStyle = ColumnRuleStyle.getThis(eachPart);
} else if (columnRuleColor == null
&& ColumnRuleColor.isValid(eachPart)) {
columnRuleColor = new ColumnRuleColor(eachPart);
columnRuleColor.setStateChangeInformer(this);
columnRuleColor.setAlreadyInUse(true);
}
}
final StringBuilder cssValueBuilder = new StringBuilder();
boolean invalid = true;
if (columnRuleWidth != null) {
cssValueBuilder.append(columnRuleWidth.getCssValue());
cssValueBuilder.append(" ");
invalid = false;
} else if (this.columnRuleWidth != null) {
this.columnRuleWidth.setAlreadyInUse(false);
}
if (columnRuleStyle != null) {
cssValueBuilder.append(columnRuleStyle.getCssValue());
cssValueBuilder.append(" ");
invalid = false;
}
if (columnRuleColor != null) {
cssValueBuilder.append(columnRuleColor.getCssValue());
cssValueBuilder.append(" ");
invalid = false;
} else if (this.columnRuleColor != null) {
this.columnRuleColor.setAlreadyInUse(false);
}
if (invalid) {
throw new InvalidValueException(cssValue
+ " is an invalid value. The value format should be as for example '25px dotted green'. Or, initial/inherit.");
}
this.cssValue = StringBuilderUtil.getTrimmedString(cssValueBuilder);
this.columnRuleWidth = columnRuleWidth;
this.columnRuleStyle = columnRuleStyle;
this.columnRuleColor = columnRuleColor;
} else {
if (columnRuleWidth != null) {
columnRuleWidth.setAlreadyInUse(false);
columnRuleWidth = null;
}
if (columnRuleColor != null) {
columnRuleColor.setAlreadyInUse(false);
columnRuleColor = null;
}
columnRuleStyle = null;
this.cssValue = trimmedCssValue;
}
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
/**
* sets as {@code initial}
*
* @since 1.0.0
* @author WFF
*/
public void setAsInitial() {
setCssValue(INITIAL);
}
/**
* sets as {@code inherit}
*
* @since 1.0.0
* @author WFF
*/
public void setAsInherit() {
setCssValue(INHERIT);
}
/**
* @return the columnRuleWidth
* @since 1.0.0
* @author WFF
*/
public ColumnRuleWidth getColumnRuleWidth() {
return columnRuleWidth;
}
/**
* @param columnRuleWidth
* the columnRuleWidth to set
* @since 1.0.0
* @author WFF
*/
public ColumnRule setColumnRuleWidth(
final ColumnRuleWidth columnRuleWidth) {
final StringBuilder cssValueBuilder = new StringBuilder();
if (columnRuleWidth != null) {
cssValueBuilder.append(columnRuleWidth.getCssValue());
cssValueBuilder.append(" ");
}
if (columnRuleStyle != null) {
cssValueBuilder.append(columnRuleStyle.getCssValue());
cssValueBuilder.append(" ");
}
if (columnRuleColor != null) {
cssValueBuilder.append(columnRuleColor.getCssValue());
}
final String trimmedCssValue = cssValueBuilder.toString().trim();
cssValue = trimmedCssValue.isEmpty() ? INHERIT : trimmedCssValue;
if (this.columnRuleWidth != null) {
this.columnRuleWidth.setAlreadyInUse(false);
}
this.columnRuleWidth = columnRuleWidth;
if (this.columnRuleWidth != null) {
this.columnRuleWidth.setStateChangeInformer(this);
this.columnRuleWidth.setAlreadyInUse(true);
}
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
/**
* @return the colunmRuleStyle
* @since 1.0.0
* @author WFF
*/
public ColumnRuleStyle getColumnRuleStyle() {
return columnRuleStyle;
}
/**
* @param columnRuleStyle
* the colunmRuleStyle to set
* @since 1.0.0
* @author WFF
* @return
*/
public ColumnRule setColumnRuleStyle(
final ColumnRuleStyle columnRuleStyle) {
final StringBuilder cssValueBuilder = new StringBuilder();
if (columnRuleWidth != null) {
cssValueBuilder.append(columnRuleWidth.getCssValue());
cssValueBuilder.append(" ");
}
if (columnRuleStyle != null) {
cssValueBuilder.append(columnRuleStyle.getCssValue());
cssValueBuilder.append(" ");
}
if (columnRuleColor != null) {
cssValueBuilder.append(columnRuleColor.getCssValue());
}
final String trimmedCssValue = cssValueBuilder.toString().trim();
cssValue = trimmedCssValue.isEmpty() ? INHERIT : trimmedCssValue;
this.columnRuleStyle = columnRuleStyle;
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
/**
* @return the columnRuleColor
* @since 1.0.0
* @author WFF
*/
public ColumnRuleColor getColumnRuleColor() {
return columnRuleColor;
}
/**
* @param columnRuleColor
* the columnRuleColor to set
* @since 1.0.0
* @author WFF
* @return the current instance.
*/
public ColumnRule setColumnRuleColor(
final ColumnRuleColor columnRuleColor) {
final StringBuilder cssValueBuilder = new StringBuilder();
if (columnRuleWidth != null) {
cssValueBuilder.append(columnRuleWidth.getCssValue());
cssValueBuilder.append(" ");
}
if (columnRuleStyle != null) {
cssValueBuilder.append(columnRuleStyle.getCssValue());
cssValueBuilder.append(" ");
}
if (columnRuleColor != null) {
cssValueBuilder.append(columnRuleColor.getCssValue());
}
final String trimmedCssValue = cssValueBuilder.toString().trim();
cssValue = trimmedCssValue.isEmpty() ? INHERIT : trimmedCssValue;
if (this.columnRuleColor != null) {
this.columnRuleColor.setAlreadyInUse(false);
}
this.columnRuleColor = columnRuleColor;
if (this.columnRuleColor != null) {
this.columnRuleColor.setStateChangeInformer(this);
this.columnRuleColor.setAlreadyInUse(true);
}
if (getStateChangeInformer() != null) {
getStateChangeInformer().stateChanged(this);
}
return this;
}
@Override
public void stateChanged(final CssProperty stateChangedObject) {
if (stateChangedObject instanceof ColumnRuleColor) {
setColumnRuleColor((ColumnRuleColor) stateChangedObject);
}
if (stateChangedObject instanceof ColumnRuleWidth) {
setColumnRuleWidth((ColumnRuleWidth) stateChangedObject);
}
}
}
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