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PaddingHandler.vue
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310 lines (286 loc) · 9.23 KB
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<template>
<div
class="group"
:class="{
'opacity-40': !updating,
'opacity-70': updating,
}"
@click.stop>
<div
class="padding-handler pointer-events-none absolute flex w-full bg-purple-400"
:style="{
height: topPaddingHandlerHeight + 'px',
}"
ref="topPaddingHandler">
<div
class="pointer-events-auto absolute left-[50%] rounded-full border-2 border-purple-500 bg-purple-400 hover:scale-125"
v-show="canvasProps.scale > 0.5"
:style="{
borderWidth: handleBorderWidth,
bottom: topHandle.bottom,
left: topHandle.left,
height: topHandle.height + 'px',
width: topHandle.width + 'px',
}"
:class="{
'cursor-ns-resize': !disableHandlers,
hidden: updating,
}"
@mousedown.stop="handlePadding($event, Position.Top)" />
<div class="m-auto text-sm text-purple-900" v-show="updating">
{{ blockStyles.paddingTop }}
</div>
</div>
<div
class="padding-handler pointer-events-none absolute bottom-0 flex w-full bg-purple-400"
:style="{
height: bottomPaddingHandlerHeight + 'px',
}"
ref="bottomPaddingHandler">
<div
class="pointer-events-auto absolute left-[50%] rounded-full border-2 border-purple-500 bg-purple-400 hover:scale-125"
v-show="canvasProps.scale > 0.5"
:style="{
borderWidth: handleBorderWidth,
top: bottomHandle.top,
left: bottomHandle.left,
height: bottomHandle.height + 'px',
width: bottomHandle.width + 'px',
}"
:class="{
'cursor-ns-resize': !disableHandlers,
hidden: updating,
}"
@mousedown.stop="handlePadding($event, Position.Bottom)" />
<div class="m-auto text-sm text-purple-900" v-show="updating">
{{ blockStyles.paddingBottom }}
</div>
</div>
<div
class="padding-handler pointer-events-none absolute left-0 flex h-full bg-purple-400"
:style="{
width: leftPaddingHandlerWidth + 'px',
}"
ref="leftPaddingHandler">
<div
class="pointer-events-auto absolute top-[50%] rounded-full border-2 border-purple-500 bg-purple-400 hover:scale-125"
v-show="canvasProps.scale > 0.5"
:style="{
borderWidth: handleBorderWidth,
right: leftHandle.right,
top: leftHandle.top,
height: leftHandle.height + 'px',
width: leftHandle.width + 'px',
}"
:class="{
'cursor-ew-resize': !disableHandlers,
hidden: updating,
}"
@mousedown.stop="handlePadding($event, Position.Left)" />
<div class="m-auto text-sm text-purple-900" v-show="updating">
{{ blockStyles.paddingLeft }}
</div>
</div>
<div
class="padding-handler pointer-events-none absolute right-0 flex h-full bg-purple-400"
:style="{
width: rightPaddingHandlerWidth + 'px',
}"
ref="rightPaddingHandler">
<div
class="pointer-events-auto absolute top-[50%] rounded-full border-2 border-purple-500 bg-purple-400 hover:scale-125"
v-show="canvasProps.scale > 0.5"
:style="{
borderWidth: handleBorderWidth,
left: rightHandle.left,
top: rightHandle.top,
height: rightHandle.height + 'px',
width: rightHandle.width + 'px',
}"
:class="{
'cursor-ew-resize': !disableHandlers,
hidden: updating,
}"
@mousedown.stop="handlePadding($event, Position.Right)" />
<div class="m-auto text-sm text-purple-900" v-show="updating">
{{ blockStyles.paddingRight }}
</div>
</div>
</div>
</template>
<script setup lang="ts">
import type Block from "@/block";
import { clamp } from "@vueuse/core";
import { computed, inject, ref, watchEffect } from "vue";
import { getNumberFromPx } from "../utils/helpers";
import { toast } from "vue-sonner";
const canvasProps = inject("canvasProps") as CanvasProps;
const props = withDefaults(
defineProps<{
targetBlock: Block;
disableHandlers?: boolean;
onUpdate?: () => void;
breakpoint?: string;
target: HTMLElement | SVGElement;
}>(),
{
disableHandlers: false,
breakpoint: "desktop",
},
);
const updating = ref(false);
const emit = defineEmits(["update"]);
watchEffect(() => {
emit("update", updating.value);
});
const blockStyles = computed(() => {
const baseStyles = { ...props.targetBlock.baseStyles };
let styles = baseStyles;
if (props.breakpoint === "mobile" || props.breakpoint === "tablet") {
styles = { ...styles, ...props.targetBlock.mobileStyles };
}
if (props.breakpoint === "tablet") {
styles = { ...styles, ...props.targetBlock.tabletStyles };
}
return styles;
});
const topPaddingHandlerHeight = computed(() => {
return getPadding("Top");
});
const bottomPaddingHandlerHeight = computed(() => {
return getPadding("Bottom");
});
const leftPaddingHandlerWidth = computed(() => {
return getPadding("Left");
});
const rightPaddingHandlerWidth = computed(() => {
return getPadding("Right");
});
const getPadding = (side: "Top" | "Left" | "Right" | "Bottom") => {
blockStyles.value.paddingRight;
blockStyles.value.paddingTop;
blockStyles.value.paddingBottom;
blockStyles.value.paddingLeft;
blockStyles.value.padding;
return getNumberFromPx(getComputedStyle(props.target)[`padding${side}`]) * canvasProps.scale;
};
const handleBorderWidth = computed(() => {
return `${clamp(1 * canvasProps.scale, 1, 2)}px`;
});
const topHandle = computed(() => {
const width = clamp(16 * canvasProps.scale, 8, 32);
const height = clamp(4 * canvasProps.scale, 2, 8);
return {
width: width,
height: height,
bottom: `clamp(-20px, calc(-10px * ${canvasProps.scale}), -6px)`,
left: `calc(50% - ${width / 2}px)`,
};
});
const bottomHandle = computed(() => {
const width = clamp(16 * canvasProps.scale, 8, 32);
const height = clamp(4 * canvasProps.scale, 2, 8);
return {
width: width,
height: height,
top: `clamp(-20px, calc(-10px * ${canvasProps.scale}), -6px)`,
left: `calc(50% - ${width / 2}px)`,
};
});
const leftHandle = computed(() => {
const width = clamp(4 * canvasProps.scale, 2, 8);
const height = clamp(16 * canvasProps.scale, 8, 32);
return {
width: width,
height: height,
right: `clamp(-20px, calc(-10px * ${canvasProps.scale}), -6px)`,
top: `calc(50% - ${height / 2}px)`,
};
});
const rightHandle = computed(() => {
const width = clamp(4 * canvasProps.scale, 2, 8);
const height = clamp(16 * canvasProps.scale, 8, 32);
return {
width: width,
height: height,
left: `clamp(-20px, calc(-10px * ${canvasProps.scale}), -6px)`,
top: `calc(50% - ${height / 2}px)`,
};
});
enum Position {
Top = "top",
Right = "right",
Bottom = "bottom",
Left = "left",
}
const messageShown = ref(false);
const handlePadding = (ev: MouseEvent, position: Position) => {
if (props.disableHandlers) return;
// if (!messageShown.value && !(ev.shiftKey || ev.altKey)) {
// showToast();
// messageShown.value = true;
// }
updating.value = true;
const startY = ev.clientY;
const startX = ev.clientX;
const target = ev.target as HTMLElement;
const startTop = getNumberFromPx(blockStyles.value.paddingTop) || 5;
const startBottom = getNumberFromPx(blockStyles.value.paddingBottom) || 5;
const startLeft = getNumberFromPx(blockStyles.value.paddingLeft) || 5;
const startRight = getNumberFromPx(blockStyles.value.paddingRight) || 5;
// to disable cursor jitter
const docCursor = document.body.style.cursor;
document.body.style.cursor = window.getComputedStyle(target).cursor;
const mousemove = (mouseMoveEvent: MouseEvent) => {
let movement = 0;
let affectingAxis = null;
props.onUpdate && props.onUpdate();
if (position === Position.Top) {
movement = Math.max(startTop + mouseMoveEvent.clientY - startY, 0);
props.targetBlock.setStyle("paddingTop", movement + "px");
affectingAxis = "y";
} else if (position === Position.Bottom) {
movement = Math.max(startBottom + startY - mouseMoveEvent.clientY, 0);
props.targetBlock.setStyle("paddingBottom", movement + "px");
affectingAxis = "y";
} else if (position === Position.Left) {
movement = Math.max(startLeft + mouseMoveEvent.clientX - startX, 0);
props.targetBlock.setStyle("paddingLeft", movement + "px");
affectingAxis = "x";
} else if (position === Position.Right) {
movement = Math.max(startRight + startX - mouseMoveEvent.clientX, 0);
props.targetBlock.setStyle("paddingRight", movement + "px");
affectingAxis = "x";
}
if (mouseMoveEvent.altKey) {
if (affectingAxis === "y") {
props.targetBlock.setStyle("paddingTop", movement + "px");
props.targetBlock.setStyle("paddingBottom", movement + "px");
} else if (affectingAxis === "x") {
props.targetBlock.setStyle("paddingLeft", movement + "px");
props.targetBlock.setStyle("paddingRight", movement + "px");
}
} else if (mouseMoveEvent.shiftKey) {
props.targetBlock.setStyle("paddingTop", movement + "px");
props.targetBlock.setStyle("paddingBottom", movement + "px");
props.targetBlock.setStyle("paddingLeft", movement + "px");
props.targetBlock.setStyle("paddingRight", movement + "px");
}
mouseMoveEvent.preventDefault();
mouseMoveEvent.stopPropagation();
};
document.addEventListener("mousemove", mousemove);
document.addEventListener(
"mouseup",
(mouseUpEvent) => {
document.body.style.cursor = docCursor;
document.removeEventListener("mousemove", mousemove);
updating.value = false;
mouseUpEvent.preventDefault();
},
{ once: true },
);
};
let showToast = () =>
toast('Press "shift" key to apply padding to all sides and "alt" key to apply padding on either sides.');
</script>