package com.sunqian.utils;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.util.TextRange;
import com.sunqian.constvalue.ConstValue;
import com.sunqian.constvalue.ShortCutType;
import com.sunqian.model.ActionPerformer;
import lombok.NoArgsConstructor;
import lombok.Setter;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import java.math.BigDecimal;
import java.text.MessageFormat;
import java.util.Objects;
import java.util.Optional;
import java.util.regex.Pattern;
import static com.sunqian.constvalue.MagicValue.*;
/**
* 转换工具类
*
* @author sunqian
* @date 2018/12/8 15:39
*/
@NoArgsConstructor
public class FormatTools {
@Setter
private volatile static FormatTools formatTools;
private ConstValue constValue;
private static Pattern NUMBER_PATTERN = Pattern.compile(NUMBER_PATTERN_FORMULA);
private FormatTools(ConstValue constValue) {
this.constValue = constValue;
}
public static FormatTools getFormatTools(ConstValue constValue) {
return Optional.ofNullable(formatTools).orElseGet(() -> {
synchronized (FormatTools.class) {
return Optional.ofNullable(formatTools).orElseGet(() -> new FormatTools(constValue));
}
});
}
private String getFormatText(String ele, ShortCutType shortCutType) {
return Optional.ofNullable(ele).filter(text -> text.contains(PX_STYLE_TAG) && !Objects.equals(NULL_STRING, text)).map(text ->
Optional.of(NumberUtils.toDouble(text.substring(0, text.indexOf(PX_STYLE_TAG)).trim())).map(px -> valueFormat(px, shortCutType)).get()
).orElse(ele);
}
private String valueFormat(Double px, ShortCutType shortCutType) {
return Optional.of(this.constValue.baseValueType().get(shortCutType)).map(value ->
Optional.of(px / value).map(rem ->
Optional.of(check(Double.toString(px), Double.toString(value))).filter(ifDivide -> ifDivide).map(ifDivide ->
(rem.toString()).replaceAll("0*$", "").replaceAll("\\.$", "") + STYLE_TAG_TYPE.get(shortCutType) + showComment(px, value)
).orElseGet(() ->
String.format(getAccuracy(value + ""), rem).replaceAll("0*$", "").replaceAll("\\.$", "").trim() + STYLE_TAG_TYPE.get(shortCutType) + showComment(px, value)
)
).orElse(px.toString())
).orElse(px.toString());
}
/**
* 计算回退
*
* @param result 计算结果
* @param shortCutType 类型
* @return 返回回退的结果
*/
private String valueRollback(String result, ShortCutType shortCutType) {
return Optional.ofNullable(result).filter(text -> StringUtils.containsAny(result, REM_STYLE_TAG, VW_STYLE_TAG, VH_STYLE_TAG) && !Objects.equals(NULL_STRING, text)).map(text ->
Optional.of(NumberUtils.toDouble(text.substring(0, text.indexOf(STYLE_TAG_TYPE.get(shortCutType).toString())).trim())).map(res ->
Optional.ofNullable(this.constValue.baseValueType().get(shortCutType)).map(value ->
Optional.of(Math.round(res * value) + PX_STYLE_TAG).orElse(result)).orElse(result)
).get()
).orElse(result);
}
private String getFormatLine(String content, ShortCutType shortCutType, String styleTag, FormatStyleValue<String> formatStyleValue) {
int index;
while ((index = StringUtils.indexOf(content.toLowerCase(), styleTag)) > -1) {
int startIndex = index;
while (isNumeric(content.substring(startIndex - 1, index)) && startIndex > 0) {
startIndex--;
}
if (startIndex != index) {
String value = content.substring(startIndex, index) + styleTag;
content = content.substring(0, startIndex) + formatStyleValue.apply(value, shortCutType) + content.substring(index + styleTag.length());
} else {
break;
}
}
return content;
}
@FunctionalInterface
private interface FormatStyleValue<R> {
R apply(String value, ShortCutType shortCutType);
}
/**
* 回退转换过程
*
* @param actionPerformer 动作参数
* @param lineNum 行号
*/
public void rollbackStyle(ActionPerformer actionPerformer, int lineNum) {
Optional.of(actionPerformer.getDocument().getLineStartOffset(lineNum)).ifPresent(lineStartOffset ->
Optional.of(actionPerformer.getDocument().getLineEndOffset(lineNum)).ifPresent(lineEndOffset ->
Optional.of(actionPerformer.getDocument().getText(new TextRange(lineStartOffset, lineEndOffset)))
.map(lineContent -> {
WriteCommandAction.runWriteCommandAction(actionPerformer.getProject(), () ->
actionPerformer.getDocument().replaceString(
lineStartOffset,
lineEndOffset,
getFormatLine(getFormatLine(getFormatLine(lineContent, ShortCutType.REM, REM_STYLE_TAG, this::valueRollback), ShortCutType.VW, VW_STYLE_TAG, this::valueRollback), ShortCutType.VH, VH_STYLE_TAG, this::valueRollback))
);
return lineContent;
})
)
);
}
/**
* 判断字符串是否为数字
*
* @param str 被判断的字符串
* @return 返回是否是数字
*/
private static boolean isNumeric(String str) {
return NUMBER_PATTERN.matcher(str).matches();
}
/**
* 检查是否可以被除尽
*
* @param amount 被除数
* @param count 除数
* @return 是否可以被除尽
*/
@SuppressWarnings("BigDecimalMethodWithoutRoundingCalled")
private boolean check(String amount, String count) {
return Optional.of(new BigDecimal(amount.replaceAll("\\.", "")).divideAndRemainder(new BigDecimal(count.replaceAll("\\.", "")))[1]).filter(times -> Objects.equals(times, new BigDecimal("0"))).map(times -> true).orElseGet(() ->
Objects.equals(new BigDecimal(amount.replaceAll("\\.", "")).divideAndRemainder(LogicUtils.getLogic().funWithWhile(LogicUtils.getLogic().funWithWhile(new BigDecimal(count.replaceAll("\\.", "")), m -> Objects.equals(m.divideAndRemainder(new BigDecimal("2"))[1], new BigDecimal("0")), m -> m.divide(new BigDecimal("2"))), n -> Objects.equals(n.divideAndRemainder(new BigDecimal("5"))[1], new BigDecimal("0")), n -> n.divide(new BigDecimal("5"))))[1], new BigDecimal("0"))
);
}
/**
* 通过注释的方式生成计算过程
*
* @param obj1 被除数
* @param obj2 除数
* @return 返回计算公式
*/
private String showComment(Object obj1, Object obj2) {
return constValue.getShowCalculationProcess() ? " /* " + obj1.toString().replaceAll("0*$", "").replaceAll("\\.$", "") + "/" + obj2.toString().replaceAll("0*$", "").replaceAll("\\.$", "") + " */" : "";
}
private String getAccuracy(String remValue) {
return MessageFormat.format("%.{0}f", remValue.substring(0, !StringUtils.contains(remValue, ".") ? remValue.length() : StringUtils.indexOf(remValue, ".")).length() + 1);
}
/**
* 转换一行的代码
* <p>
* 这里行号取的是当前光标所在的行
*
* @param actionPerformer 获取的动作参数
*/
public void formatLineCode(ActionPerformer actionPerformer, ShortCutType shortCutType) {
formatLineCode(actionPerformer, actionPerformer.getDocument().getLineNumber(actionPerformer.getCaretModel().getOffset()), shortCutType);
}
/**
* 转换一行代码中的样式单位
*
* @param actionPerformer 获取的动作参数
* @param lineNum 行号
*/
public void formatLineCode(ActionPerformer actionPerformer, int lineNum, ShortCutType shortCutType) {
// 行起始offset
Optional.of(actionPerformer.getDocument().getLineStartOffset(lineNum)).ifPresent(lineStartOffset -> {
// 行结束offset
Optional.of(actionPerformer.getDocument().getLineEndOffset(lineNum)).ifPresent(lineEndOffset ->
Optional.of(actionPerformer.getDocument().getText(new TextRange(lineStartOffset, lineEndOffset)))
.filter(lineContent -> lineContent.toLowerCase().contains(PX_STYLE_TAG))
.map(lineContent -> {
WriteCommandAction.runWriteCommandAction(actionPerformer.getProject(), () ->
actionPerformer.getDocument().replaceString(
lineStartOffset,
lineEndOffset,
getFormatLine(lineContent, shortCutType, PX_STYLE_TAG, (value, type) -> getFormatText(value, shortCutType)))
);
return lineContent;
})
);
});
}
/**
* 格式化光标处往前最近的一个可格化的长度
*
* @param actionPerformer 获取的动作参数
*/
public void formatNearCode(ActionPerformer actionPerformer, ShortCutType shortCutType, ShortCutType unit) {
Optional.of(actionPerformer.getDocument()).ifPresent(document ->
Optional.of(actionPerformer.getCaretModel()).ifPresent(caretModel ->
Optional.of(document.getText(new TextRange(document.getLineStartOffset(document.getLineNumber(caretModel.getOffset())), actionPerformer.getCaretModel().getOffset()))).ifPresent(lineContent ->
Optional.of(lineContent.substring(getNearCode(lineContent) + 1, lineContent.length() - STYLE_TAG_TYPE.get(unit).toString().length()).trim()).ifPresent(content ->
formatText(content, caretModel.getOffset() - content.length() - STYLE_TAG_TYPE.get(unit).toString().length(), caretModel.getOffset(), actionPerformer, shortCutType)
)
)
)
);
}
public void formatNearCode(ActionPerformer actionPerformer, ShortCutType shortCutType) {
formatNearCode(actionPerformer, shortCutType, ShortCutType.PX);
}
/**
* 取一个长度单位的起始index
*
* @param content 待处理文本
* @return 返回文本中包含的一个长度单位的起始index
*/
private int getNearCode(String content) {
return NumberUtils.max(StringUtils.lastIndexOf(content, COLON_STRING), StringUtils.lastIndexOf(content, BLANK_STRING));
}
/**
* 转换选择的代码
*
* @param actionPerformer 获取的动作参数
*/
public void formatSelectCode(ActionPerformer actionPerformer, ShortCutType shortCutType) {
// 光标选择的文字
Optional.ofNullable(actionPerformer.getSelectionModel().getSelectedText()).ifPresent(selectText ->
Optional.of(selectText.indexOf(PX_STYLE_TAG)).filter(index -> index > -1).map(index -> {
// 选择区域开始
Optional.of(actionPerformer.getSelectionModel().getSelectionStart()).ifPresent(start -> {
// 选择区域结束
Optional.of(actionPerformer.getSelectionModel().getSelectionEnd()).ifPresent(end ->
formatText(selectText.substring(0, index), start, end, actionPerformer, shortCutType)
);
});
return index;
})
);
}
/**
* 格式化指定的style文本
*
* @param style style文本
* @param start 起始index
* @param end 结束index
* @param actionPerformer 动作参数
*/
private void formatText(String style, int start, int end, ActionPerformer actionPerformer, ShortCutType shortCutType) {
Optional.of(style).filter(FormatTools::isNumeric).ifPresent(text ->
WriteCommandAction.runWriteCommandAction(actionPerformer.getProject(), () ->
actionPerformer.getDocument().replaceString(
start,
end,
getFormatText(style + PX_STYLE_TAG, shortCutType))
)
);
}
}
