#include "PagiNation.h"
// --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
string nomalQss = R"(
QPushButton {
color: #333;
background: #fdfdfd;
border: 1px solid #dadada;
border-radius: 3px;
font-size: 8pt;
}
QPushButton:hover {
color: white;
background: #b4cafc;
border: 1px solid #598bf7;
border-radius: 3px;
font-size: 8pt;
font-weight: bold;
}
QPushButton:pressed {
color: white;
background: #9fbafa;
border: 1px solid #4d83f8;
border-radius: 3px;
font-size: 8pt;
}
)";
string checkedQss = R"(
QPushButton {
color: white;
background: #b4cafc;
border: 1px solid #598bf7;
border-radius: 3px;
font-size: 8pt;
font-weight: bold;
}
QPushButton:hover {
color: white;
background: #b4cafc;
border: 1px solid #598bf7;
border-radius: 3px;
font-size: 8pt;
font-weight: bold;
}
QPushButton:pressed {
color: white;
background: #9fbafa;
border: 1px solid #4d83f8;
border-radius: 3px;
font-size: 8pt;
}
)";
Button::Button (QString text, QWidget *parent): QPushButton(text, parent) {
QSizePolicy CL(QSizePolicy::Maximum, QSizePolicy::Expanding);
setSizePolicy(CL);
connect(this, SIGNAL(clicked()), this, SLOT(handleClick()));
setStyleSheet(QString::fromStdString(nomalQss));
};
void Button::handleClick () {
emit cClick(this);
};
void Button::setChecked (bool checked) {
if (checked) {
setStyleSheet(QString::fromStdString(checkedQss));
} else {
setStyleSheet(QString::fromStdString(nomalQss));
}
};
// --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
PagiNation::PagiNation (QWidget *parent, AlignType align, int buttonCount): QFrame(parent), _align(align), _buttonCount(buttonCount) {
_height = 20;
setFixedHeight(_height);
init();
};
PagiNation::PagiNation (QPoint point, QWidget *parent, AlignType align, int buttonCount): QFrame(parent), _align(align), _buttonCount(buttonCount) {
_height = 20;
setFixedHeight(_height);
move(point);
init();
};
PagiNation::PagiNation (QSize size, QWidget *parent, AlignType align, int buttonCount): QFrame(parent), _align(align), _buttonCount(buttonCount) {
_height = size.height();
resize(size);
setMinimumWidth(size.width());
setFixedHeight(_height);
init();
};
PagiNation::PagiNation (QRect rect, QWidget *parent, AlignType align, int buttonCount): QFrame(parent), _align(align), _buttonCount(buttonCount) {
_height = rect.height();
move(rect.x(), rect.y());
resize(rect.size());
setMinimumWidth(rect.width());
setFixedHeight(_height);
init();
};
// ----------------- 私有方法 ---------------------
void PagiNation::init () {
QFont font;
font.setPointSize(8);
if (_buttonCount % 2 != 1 || _buttonCount < 5) _buttonCount = 7;
BJ = new QHBoxLayout(this);
BJ->setSpacing(0);
BJ->setContentsMargins(0, 0, 0, 0);
TH_left = new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum);
TH_right = new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum);
prevFBtn = new QPushButton("<<", this);
prevFBtn->setFont(font);
prevFBtn->setFixedSize(_height, _height);
connect(prevFBtn, SIGNAL(clicked()), this, SLOT(toPrev5()));
prevBtn = new QPushButton("<", this);
prevBtn->setFont(font);
prevBtn->setFixedSize(_height, _height);
connect(prevBtn, SIGNAL(clicked()), this, SLOT(toPrev1()));
mainBox = new QFrame(this);
QSizePolicy CL(QSizePolicy::Maximum, QSizePolicy::Expanding); // 布局策略
BJ_main = new QHBoxLayout(mainBox);
BJ_main->setSpacing(4);
BJ_main->setContentsMargins(0, 0, 0, 0);
mainBox->setSizePolicy(CL);
mainBox->setObjectName("mainBox");
mainBox->setStyleSheet("QFrame#mainBox{margin-left: 4px; margin-right: 4px;}");
nextBtn = new QPushButton(">", this);
nextBtn->setFont(font);
nextBtn->setFixedSize(_height, _height);
connect(nextBtn, SIGNAL(clicked()), this, SLOT(toNext1()));
nextFBtn = new QPushButton(">>", this);
nextFBtn->setFont(font);
nextFBtn->setFixedSize(_height, _height);
connect(nextFBtn, SIGNAL(clicked()), this, SLOT(toNext5()));
BJ->addWidget(prevFBtn);
BJ->addSpacing(2);
BJ->addWidget(prevBtn);
BJ->addWidget(mainBox);
BJ->addWidget(nextBtn);
BJ->addSpacing(2);
BJ->addWidget(nextFBtn);
setWidgetAlign();
computePage();
};
/** 计算当前页码展示 */
void PagiNation::computePage () {
QList<__PagiNation_DATA> list;
// 页码总数
int totalNum = ceil(double(_total) / double(_pageSize));
if (totalNum < _pageNow) _pageNow = totalNum == 0 ? 1 : totalNum;
if (totalNum == 0) {
__PagiNation_DATA data = {1, 1, true};
list.push_back(data);
renderBtn(list);
return;
}
if (totalNum <= _buttonCount) { // 页码总数小于等于按钮数量, 直接返回页码总数条数据
for (int i = 1; i <= totalNum; i ++) {
__PagiNation_DATA data = {1, i, _pageNow == i};
list.push_back(data);
}
renderBtn(list);
return;
}
int midIndex = (_buttonCount - 1) / 2; // 左侧按钮数量(即中间按钮索引)
int signLocation = midIndex % 2 == 0 ? midIndex / 2 : (midIndex - 1) / 2;
QVector<int> _leftArr(midIndex), _rightArr(midIndex); // 预设左右边按钮集合
for (int i = 1; i <= midIndex; i ++) {
_leftArr[i - 1] = i;
_rightArr[i - 1] = i + midIndex + 1;
}
QString position = "center"; // 当前页码所在位置, 左边(左边无需分隔点), 左侧中间按钮位置(左边无需分隔点), 中间(左右都需要分隔点), 右侧中间按钮位置(右边无需分隔点), 右边(右边无需分隔点)
int midLabel = _pageNow; // 中间按钮展示的页码数据
if (_pageNow < midIndex + 1) {
position = "left";
midLabel = midIndex + 1;
} else if (_pageNow == midIndex + 1) {
position = "centerLeft";
} else if (_pageNow > totalNum - midIndex) {
position = "right";
midLabel = totalNum - midIndex;
} else if (_pageNow == totalNum - midIndex) {
position = "centerRight";
}
QVector<__PagiNation_DATA> leftArr(midIndex), rightArr(midIndex);
for (int i = 0; i < midIndex; i ++) {
// 给左边按钮集合leftArr赋予真正的输出值
if (position == "left" || position == "centerLeft") {
__PagiNation_DATA data = {1, i + 1, _pageNow == i + 1};
leftArr[i] = data;
} else {
if (i < signLocation) {
__PagiNation_DATA data = {1, i + 1, false};
leftArr[i] = data;
} else {
__PagiNation_DATA data = {1, midLabel - (midIndex - i), false};
leftArr[i] = data;
}
}
// 给右边按钮集合rightArr赋予真正的输出值
if (position == "right" || position == "centerRight") {
__PagiNation_DATA data = {1, totalNum - (midIndex - (i + 1)), _pageNow == totalNum - (midIndex - (i + 1))};
rightArr[i] = data;
} else {
if (i > midIndex - signLocation - 1) {
__PagiNation_DATA data = {1, totalNum - (midIndex - (i + 1)), false};
rightArr[i] = data;
} else {
__PagiNation_DATA data = {1, midLabel + (i + 1), false};
rightArr[i] = data;
}
}
}
// 给中间按钮�
